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10.7: Study Guide

Difficulty Level: At Grade Created by: CK-12

Keywords: Define, write theorems, and/or draw a diagram for each word below.

1st Section: Triangles and Parallelograms

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=12 bh or A=bh2

Homework:

2nd Section: Trapezoids, Rhombi, and Kites

Area of a Trapezoid: A=12h(b1+b2)

Area of a Rhombus: A=12d1d2

Area of a Kite: A=12d1d2

Homework:

3rd Section: Area of Similar Polygons

Area of Similar Polygons Theorem

Homework:

4th Section: Circumference and Arc Length

π

Circumference: C=πd or C=2πr

Arc Length

Arc Length Formula: length of ABˆ=mABˆ360πd or mABˆ3602πr

Homework:

5th Section: Area of Circles and Sectors

Area of a Circle: A=πr2

Sector

Area of a Sector: A=mABˆ360πr2

Segment of a Circle

Homework:

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CK.MAT.ENG.SE.1.Geometry-Basic.10.7

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