Ogt Math Study Guide Worksheet With Answers - Maple Heights City Schools Page 3

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To find area and volumes of certain shapes such as circles, triangles,
cylinders, etc, you will need to use specific formulas like the ones below.
Area of a circle
2
Formula →
Area =
r
= ( x square of radius.)
(pi)=3.14
diameter
radius
5ft.
2
Area of this circle = (5ft)
2
=
x 25ft.
2
= 3.14 x 25ft.
2
= 78.5 ft.
To find volume of a cylinder or prism you multiply:
3

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