Perimeter, Circumference, Area of Rectangle and Square

Slides:

Advertisements

Similar presentations

TODAY IN GEOMETRY…  Review: Pythagorean Theorem and Perimeter  Learning Target: You will find areas of different polygons  Independent practice.

Advertisements

8cm 5cm Area = 8 x 5 = 40cm 2 A parallelogram can be split up into a rectangle and 2 triangles – each with the same area. 10cm 5cm.

The distance around the outside of a shape.

Do Now. Homework Solutions 1)c 2 – 26c – 56 = 0 (c – 28)(c + 2) = 0 {-2, 28} 2)n 2 + 4n – 32 = 0 (n + 8)(n – 4) = 0 {-8, 4} 3)h 2 + 2h – 35 = 0 (h + 7)(h.

$100 Area of Parallelograms Area of Triangles Perimeter And Area Area of Trapezoids Area of Compound Figures & Area and Circumference of Circles $200.

© 2008 Pearson Addison-Wesley. All rights reserved Chapter 1 Section 9-3 Perimeter, Area, and Circumference.

Section 9-4 Perimeter, Area, and Circumference.

Rectangle The area of a rectangle is by multiplying length and height. The perimeter of a rectangle is the distance around the outside of the rectangle.

= (2 in) · (2 in) = 4 in 2. P = a + b + c A = ½(8*8) A = 32 P = =20.

Facts about Area of Shapes Dr. Kent Bryant 5/2011.

Section aFind the area of a rectangle and a square. bFind the area of a parallelogram, a triangle, and a trapezoid. cSolve applied problems involving.

Perimeter & Area Lessons 19 & 20.

Camilo Henao Dylan Starr. Postulate 17 & 18 Postulate 17: The area of a square is the square of the length of a side (pg.423) A=s 2 Postulate 18 (Area.

Chapter 10 Test Formula Review.  Find the circumference of a circle with a diameter of 10. Identify the formula needed for the following questions.

Areas and Perimeter of Rectangles, Square, Triangles and Circles

Review: Area of 2-D Shapes Keystone Geometry.

The circumference of the circle is 50  feet. The area of the shaded region = ________ example 1 :

1-8: Perimeter, Circumference and Area. Perimeter and Area Perimeter: Sum of the lengths of the sides of a polygon Called circumference for a circle Area.

USING FORMULAS IN GEOMETRY Geometry H2 (Holt 1-5)K. Santos.

Chapter 11.1 Notes: Areas of Triangles and Parallelograms

Perimeter, Circumference, and Area 1.7 Ms. Verdino.

11-1 Areas of Rectangles and squares. Formulas 1) Area of rectangle = base x height or length X width 2) Area of square = (side) 2 or base X height 3)

Area of a Rectangle A=LW Length times Width Length width = 20 cm =12 cm A=20 12 A=240 cm 2.

CIRCUMFERENCE AND AREA

10-1: Area of Parallelograms and Triangles Objectives: To find the area of parallelograms and triangles To find the area of parallelograms and triangles.

11-1 Areas of Parallelograms & Triangles Ms. Andrejko.

MG 2.1: PERIMETER & AREA RECTANGLES, SQUARES, TRIANGLES, CIRCLES Defining and calculating.

Surface Area of Prisms and Cylinders. Vocabulary A net is a pattern you can fold to form a three-dimensional figure. This is a net for a triangular prism.

square rectangle parallelogram trapezoid triangle.

1.7 - Find Perimeter, Circumference, and Area. Perimeter: Length around a shape. Measured in u cm, in, ft, yd.

Geometry 1.6 Perimeter and Area. Perimeter Is the distance around a figure It is the sum of the lengths of the sides of the figure =side 1 +side 2 +side.

Perimeter, Circumference and Area. Perimeter and Circumference Perimeter : The distance around a geometric figure. Circumference: The distance around.

Perimeter, Circumference and Area G EOMETRY H ONORS.

Area & Perimeter. Page ________ of Notebook Title: Area and Perimeter Title: Area and Perimeter Objective: Find Area and Perimeter Objective: Find Area.

Perimeter and Area Formulas.  Perimeter is the distance around an object. It is easily the simplest formula. Simply add up all the sides of the shape,

6.7 Area of Triangles and Quadrilaterals Area Postulates: Postulate 22 Area of a Square: The area of a square is the square of the length of its side,

9.1 PERIMETER AND AREA OF PARALLELOGRAMS Objective: Students find the perimeter and area of parallelograms.

20) 108° 21) 80° 22) 70° 23) 123° 24) 38° 25) 167° 26) 10° 27) 154° 28) 105 = 2x – 11; x = 58 29) 6x x = 180; x = 23.

How can you apply formulas for perimeter, circumference, and area to find and compare measures?

G-11 (1-5) Using formulas in Geometry I can use formulas to compute perimeter and area of triangles, squares, rectangles, and circles.

8th Grade Math Chapter 9a Review

Area & Perimeter Scrapbook

Chapter 11 Areas of Plane Figures (page 422)

Lesson 91 Warm Up Pg. 474.

8th Grade Math Unit 8 Review

Area of a Rectangle & Square

Perimeter, Area, and Circumference

Surface Area of Prisms and Cylinders

CHAPTER 11 AREAS OF PLANE FIGURES

UNIT 8: 2-D MEASUREMENTS PERIMETER AREA SQUARE RECTANGLE PARALLELOGRAM

1.5: Using Formulas in Geometry

Area of Polygons TeacherTwins©2015.

Areas of Triangles, Quadrilaterals, and Circles

Warm Up: Find the circumference of the circle. Round to nearest hundredth 1. r = 3.4 m d = 9 cm Find the area of the figures. 3. Circle with.

9-1 Developing Formulas for s and quads

Surface Area of Prisms and Cylinders

Finding the Area of Rectangles and Parallelograms

Area of Polygons TeacherTwins©2015.

Lesson 9-1 Area of 2-D Shapes.

Lesson 9-1: Area of 2-D Shapes

Drill Use distance formula to find the distance between the two points given below: (2, 5) and (8, 13) 2) Find the perimeter of a square if one of the.

Area and Perimeter Ten quick questions.

Section 11-1 Areas of Rectangles.

Area & Perimeter.

Perimeter, Circumference, Area of Rectangle and Square

1.7 Introduction to Perimeter, Circumference, & Area

Surface Area of Prisms and Cylinders

PERIMETER, CIRCUMFERANCE AND AREA

By- Sabrina,Julianna, and Killian

Surface Area of Prisms and Cylinders

Presentation transcript:

Perimeter, Circumference, Area of Rectangle and Square Unit 8: Area Perimeter, Circumference, Area of Rectangle and Square

Perimeter, Circumference, Areas Perimeter: Add up all the sides!

Area of a Rectangle Area = Length * Width (A=L*W) L W

Area of a Square s

Area of a Triangle In a right triangle only -- the height and base are the legs of the right triangle!

Area of a Circle r

Circumference of a Circle – “Perimeter” of a circle

Ex. 1 Find area and perimeter 28 cm 16 cm

Ex. 2 Find the area and Circumference 14 cm

Area of a Parallelogram Area = Base * Height (A=bh)

The area of a region is the sum of its non-overlapping parts Postulate 1-10 The area of a region is the sum of its non-overlapping parts

Find at least 2 different ways to fin the area of the figure:

Ex 1 Ex 2

Ex 3. Ex 4.

Homework worksheet