11.1-11.5 Review.

Slides:

Advertisements

Similar presentations

Circle – Formulas Radius of the circle is generally denoted by letter R. Diameter of the circle D = 2 × R Circumference of the circle C = 2 ×  × R (

Advertisements

Day 78. Today’s Agenda Area Rectangles Parallelograms Triangles Trapezoids Kites/Rhombi Circles/Sectors Irregular Figures Regular Polygons.

Areas of Regular Polygons 11.2 California State Standards 8 : Solve problems involving perimeter and area. 10: Find area of polygons 16: Perform constructions.

Area of Regular Polygons. We will determine the area of regular polygons using notes.

11.1 Angle Measures in Polygons.

Who Wants To Be A Millionaire?

Sides & Congruent Angles Ago Let’s Go Fly A Polygon.

Circle A is centered at (2,2) with a radius of 12 cm and Circle B is centered at (8,-2) with a diameter of 6 cm. Determine the translation and dilation.

Section 11.6 Notes. Regular Polygon and its Parts.

11.2 Area of Regular Polygon

Section 7 –5 Areas of Regular Polygons

Example 1 Explain how you could find the area of the regular hexagon shown.

Areas Advanced Geometry Areas and Volumes Lesson 1.

Chapter 11 Length and Area

FeatureLesson Geometry Lesson Main 1. Find the area of a trapezoid with bases 3 cm and 19 cm and height 9 cm. 2. Find the area of a trapezoid in a coordinate.

Area of a rectangle: A = bh This formula can be used for squares and parallelograms. b h.

WARM UP 1)Find the area of a trapezoid with bases 8 and 11 and a height of )Find the area of an equilateral triangle with sides 8ft. 3)An isosceles.

Review Applied Math II

Chapter 10 Section Areas of Parallelograms and Triangles

No warmup Grab a note sheet off of table and have out your challenge packets.

8.6:Perimeters and Areas of Similar Figures

Areas of Regular Polygons Lesson Equilateral Triangle Remember: drop an altitude and you create two triangles. What is the measure of the.

Area of Regular Polygons

Area of Regular Polygons 5.5

Rectangle l - length w - width Square s – side length s s s.

11.5 Area of Regular Polygons. Theorem 106 Theorem 106: The area of an equilateral triangle equals the product of one- fourth the square of a side and.

Area Formulas and Parallelograms

Geometry Section 11.3 Clicker. Determine the sum of the interior angles of a 15-gon ° 2.360° ° 4.156°

7.5 Areas of Regular Polygons and Circles Warm-up (IN) CSAP Constructed Response Learning Objective: To use area formulas to find areas of real world objects.

The Apothem The apothem (a) is the segment drawn from the center of the polygon to the midpoint of the side (and perpendicular to the side)

Areas of Regular Polygons Section Theorem 11.3 Area of an Equilateral Triangle: The area of an EQUILATERAL triangle is one fourth the square of.

9.4 Areas of Regular Polygons February 6, Definitions (associated with regular polygons only) Center of a polygon – the center of its circumscribed.

Area of regular polygons

Find the Area. 10-5: Area of Regular Polygons p Primary: M(G&M)–10–6 Solves problems involving perimeter, circumference, or area of two-dimensional.

Geometric Probability “chance” Written as a percent between 0% and 100% or a decimal between 0 and 1. Area of “shaded” region Area of entire region Geometric.

11.1 Areas of Polygons. Area of a Square = _______________________ Area of a Rectangel = ____________________ Postulate 18: ___________________________.

Chapter 11 Areas of Polygons and Circles

Circles, Polygons and Area WHAT CAN YOU DEDUCE, GIVEN VERY LITTLE INFORMATION?

Circles, Polygons, Circumference and Perimeter WHAT CAN YOU DEDUCE, GIVEN VERY LITTLE INFORMATION?

Take out a sheet of paper to answer all of the review problems. The “Last Man Standing” will be your prize! Directions.

Find the area of the equilateral triangle if one of the sides is 8.

Final Exam Review Answers on last slide. 1.What is the geometric mean of 15 and 8?

Area of regular polygons

11.5 Areas of Regular Polygons Objective: After studying this section you will be able to find the areas of equilateral triangles and other regular polygons.

Chapter 11 Review Classwork Answers on last slide.

Area Geometry Prep for Algebra 1. Area & Perimeter Area: the two-dimensional size of a figure Perimeter: The distance around the edge of figure.

Geometry/Trig 2Name __________________________ Unit 9 Review PacketDate _______________ Block ______ 9ft 6ft 24in. 26in. 10cm 8cm Area = ___________ Perimeter.

Area of Regular Polygons

Regular Polygons In this square the apothem is 5 cm. What is the perimeter of this square? If the apothem in this square is 8 in., What is the perimeter.

Area of Polygons and Circles

Practice Quiz Circles.

Find the area of the triangle. POLYGONS Find the area of the triangle.

9.4 Areas of Regular Polygons

11.6 Perimeters and Areas of Similar Figures

Area of Shapes.

8.4 Areas of Regular Polygons

11.3 Areas of Regular Polygons and Circles

11.5 Areas of Regular Polygons

Section 7.3 Regular Polygons and Area

Special Right Triangles Parallel- ograms Triangles Trapezoid Rhombus

9.2 Special Right Triangles

Geometry/Trig Name: __________________________________

10-3 Areas of Regular Polygons

Perimeter word problem

Parallelograms, Triangles, Rhombuses Rectangles & Trapezoids Regular

Find the area of a hexagon with a side of feet.

Chapter 10 Concepts- section by section

11.7 Perimeters and Areas of Similar Figures

Lesson 11-3 Areas of Polygons.

Presentation transcript:

11.1-11.5 Review

Find the area of a square whose perimeter is 36cm.

Find the area of a square whose perimeter is 36cm.

The area of square Abcd is 64 The area of square Abcd is 64. MNOP is formed by joining the midpoints of ABCD. Find the area of MNOP.

The area of square Abcd is 64 The area of square Abcd is 64. MNOP is formed by joining the midpoints of ABCD. Find the area of MNOP.

Find the area of the shaded region.

Find the area of the shaded region.

In a triangle, a base and its altitude are in ratio 3:2 In a triangle, a base and its altitude are in ratio 3:2. The triangle’s area is 48. find the base and the altitude.

In a triangle, a base and its altitude are in ratio 3:2 In a triangle, a base and its altitude are in ratio 3:2. The triangle’s area is 48. find the base and the altitude.

The bases of a trapezoid are 8 and 22, and the trapezoid’s area is 135 The bases of a trapezoid are 8 and 22, and the trapezoid’s area is 135. Find the height.

The bases of a trapezoid are 8 and 22, and the trapezoid’s area is 135 The bases of a trapezoid are 8 and 22, and the trapezoid’s area is 135. Find the height.

Find the total area of the figure.

Find the total area of the figure.

The sides of a trapezoid are in the ratio 2:5:8:5 The sides of a trapezoid are in the ratio 2:5:8:5. The trapezoid’s area is 245. Find the height and the perimeter of the trapezoid.

The sides of a trapezoid are in the ratio 2:5:8:5 The sides of a trapezoid are in the ratio 2:5:8:5. The trapezoid’s area is 245. Find the height and the perimeter of the trapezoid.

Find the area of the kite.

Find the area of the kite.

Find the area of the kite.

Find the area of the kite.

The radius of a regular hexagon is 12. Find: a. the length of one side b. the apothem c. the area

The radius of a regular hexagon is 12. Find: a. the length of one side b. the apothem c. the area

Find the area of a square whose a. apothem is 5. c. diagonal is 10 b Find the area of a square whose a. apothem is 5 c. diagonal is 10 b. side is 7 D. radius is 6

Find the area of a square whose a. apothem is 5. c. diagonal is 10 b Find the area of a square whose a. apothem is 5 c. diagonal is 10 b. side is 7 D. radius is 6

Find the area of an equilateral triangle if the radius of its inscribed circle is 3.

Find the area of an equilateral triangle if the radius of its inscribed circle is 3.

A circle is inscribed in one regular hexagon and circumscribed about another. If the circle has a radius of 6, find the ratio of the area of the smaller hexagon to the area of the larger hexagon.

A circle is inscribed in one regular hexagon and circumscribed about another. If the circle has a radius of 6, find the ratio of the area of the smaller hexagon to the area of the larger hexagon.

a)Find the apothem of the regular octagon a)Find the apothem of the regular octagon. B)Find the area of the octagon.

a)Find the apothem of the regular octagon a)Find the apothem of the regular octagon. B)Find the area of the octagon.