10.7: Chapter 10 Review
Difficulty Level: At Grade
Created by: CK12
Keywords, Theorems and Formulas
 Perimeter
 Area of a Rectangle:
A=bh  Perimeter of a Rectangle
P=2b+2h  Perimeter of a Square:
P=4s  Area of a Square:
A=s2  Congruent Areas Postulate
 Area Addition Postulate
 Area of a Parallelogram:
A=bh .  Area of a Triangle:
A=12bh orA=bh2  Area of a Trapezoid:
A=12h(b1+b2)  Area of a Rhombus:
A=12d1d2  Area of a Kite:
A=12d1d2  Area of Similar Polygons Theorem

π  Circumference:
C=πd orC=2πr  Arc Length
 Arc Length Formula: length of
ABˆ=mABˆ360∘⋅πd ormABˆ360∘⋅2πr  Area of a Circle:
A=πr2  Sector of a Circle
 Area of a Sector:
A=mABˆ360∘⋅πr2  Segment of a Circle
 Perimeter of a Regular Polygon:
P=ns  Apothem
 Area of a Regular Polygon:
A=12asn orA=12aP
Review Questions
Find the area and perimeter of the following figures. Round your answers to the nearest hundredth.
 square
 rectangle
 rhombus
 regular pentagon
 parallelogram
 regular dodecagon
Find the area of the following figures. Leave your answers in simplest radical form.
 triangle
 kite
 isosceles trapezoid
 Find the area and circumference of a circle with radius 17.
 Find the area and circumference of a circle with diameter 30.
 Two similar rectangles have a scale factor
43 . If the area of the larger rectangle is96 units2 , find the area of the smaller rectangle.
Find the area of the following figures. Round your answers to the nearest hundredth.
 Find the shaded area (figure is a rhombus)
Texas Instruments Resources
In the CK12 Texas Instruments Geometry FlexBook® resource, there are graphing calculator activities designed to supplement the objectives for some of the lessons in this chapter. See http://www.ck12.org/flexr/chapter/9695.
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Date Created:
Aug 07, 2013Last Modified:
Jan 21, 2015
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