Study Guide Answers Review Questions

Slides:

Advertisements

Similar presentations

Geometry Composite Figures CONFIDENTIAL.

Advertisements

Copyright©amberpasillas2010. Remove all other thoughts from your mind. Pay close attention. Try all the examples. Ignore all other distractions.

20 Questions Chapter 10 Review. 1. Polygons The sum of the measures of the interior angles of a convex polygon is How many sides does the polygon.

Final Exam Rooms: Wednesday, June 10, :30 – 9:00 am.

Welcome to Jeopardy!.

You will learn to find the perimeter and area for different shapes and the circumference of circles. s s Perimeter = 4s or s+s+s+s Area = s 2 l w P =

Warm Up Problem of the Day Lesson Presentation Lesson Quizzes.

Area of Composite Shapes We are learning to…find the area of composite shapes (shapes made up of more than one figure). Tuesday, August 25, 2015.

Section 9-4 Perimeter, Area, and Circumference.

Area of Composite Shapes We are learning to…find the area of composite shapes (shapes made up of more than one figure). Monday, September 07, 2015.

What shape is this? A. octagon B. parallelogram C. square D. hexagon E. triangle REMEMBER: A hexagon has 6 sides.

Areas of Triangles, Parallelograms, & Trapezoids.

Area of Triangles and Trapezoids base altitude base.

Warm Up Find the area of each figure.

Jeopardy 20 Squares Start.

Area of Polygons. Remember your special right triangles.

Areas of Polygons. Directions Look at the following slide, which will act as the “home page.” From this home page, you will click on each step when necessary.

Review: Area of 2-D Shapes Keystone Geometry.

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

Shaded Area/ Word Problems

By. Circle Draw a circle in the box Tell about its attributes: sides, angles, whether or not it’s a polygon. Add any additional information you know about.

Square rectangle triangle diamond trapezoid pentagon hexagon circle oval heart star.

Area & Perimeter. SHAPE OVERVIEW Rectangle Triangle Hexagon Trapezoid Square Parallelogram Pentagon Circle.

Jeopardy Solid Figures Plane Shapes Cutting Shapes Which Shape Am I? Q $11 Q $22 Q $33 Q $44 Q $55 Q $11Q $11Q $11Q $11 Q $22Q $22Q $22Q $22 Q $33Q $33Q.

Reflectional Symmetry The image is exactly the same on both sides… therefore it is reflected across the line of symmetry. WARM UP: Draw lines of Symmetry.

Area of regular polygons

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

1.7 Perimeter, Circumference, & Area

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

Definition: Rectangle A rectangle is a quadrilateral with four right angles.

Worktext p. 181 Worktext p ___ units × ___ units = ___ square units 1 6 units

 Hexagons have 6 sides and 6 angles and vertices.

Area of a Parallelogram

square rectangle parallelogram trapezoid triangle.

Holt Geometry 9-3 Composite Figures Warm Up Find the area of each figure. 1. a rectangle in which b = 14 cm and h = 5 cm 2. a triangle in which b = 6 in.

Two sides of an isosceles triangle measure 3 and 7. Which of the following could not be the measure of the third side? A) 9 B) 7 C) 5 d) 3.

Area of shapes and in a coordinate plane Chapter 8-3.

Chapter 10 Area Section 10.1 Areas of Parallelograms and Triangles.

8th Grade Math Chapter 9a Review

Find the Area of the Square

8th Grade Math Unit 8 Review

Perimeter, Area, and Circumference

Area of Composite Shapes

Area of Composite Shapes

Here you can learn all about 2-D shapes

Perimeter and Area of Parallelograms

LESSON 31 Areas of Rectangles.

9.4 Composite Figures A composite figure is formed from two or more figures. To find the area of a composite figure: Find the areas of each figure then.

Composite Figures.

Area of Composite Shapes

Lesson 9-1 Area of 2-D Shapes.

Class Greeting.

Objectives Use the Area Addition Postulate to find the areas of composite figures. Use composite figures to estimate the areas of irregular shapes.

Area of Parallelogram.

HW: 3 area & perimeter Materials

Shapes Polygons and Quadrilaterals

Lesson 9-1: Area of 2-D Shapes

1.7 Composite Figures Sept. 4!

Area of Parallelograms and Trapezoids

Warm up Find the midpoint of points (2, -3) and (-14, 0)

Area & Perimeter.

Area of a Parallelogram

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

Composite Figures A composite figure is formed from two or more figures. To find the area of a composite figure: Find the areas of each figure then add.

11.7 Perimeters and Areas of Similar Figures

Lesson 3 Area of Composite Figures

Presentation transcript:

Study Guide Answers Review Questions

Warm Up

Warm Up

13 cm

10 yd.

136.5 square meters

640.5 square cm

What is the area of the shaded region? 7 cm 15 cm

What is the shaded region? Area rectangle: A=l*w A=15*7 A=105 sq. cm Trapezoid: A = (b1+b2)h 2 = (7.5+5.5)7 = 13*7 =91/2 =45.5 15 cm 5.5 cm 7 cm Both Trapezoids: 45.5*2 = 91 Shaded Region: 105-91 = 14 cm2

What is the area of the shaded region? 8.5 in. 10 in.

What is the shaded region? Rectangle: A = l*w = 10*8.5 =85 10 in. 8.5 in. Triangle: A = bh 2 = 5(8.5) = 42.5 =21.25 Two Triangles: 42.5 Shaded Region: 85-42.5 = 42.5

Find the area of the hexagon?

Find the area of the hexagon? 509.04 sq. ft

Find the area of the pentagon?

Find the area of the pentagon? 247.8 square cm

Draw a coordinate plane. What is the area of the shape? Plot the points: (2,4) (-2,4) (2, 0) (-2,0) What is the area of the shape?

Draw a coordinate plane. Plot the points: A(-3, 2) B(1, 2) The represent side AB Where could points C and D Be plotted to form a rectangle With the area of 12 square units?