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### Grade 8 math chart

TCU Is Going To The Rose Bowl!!!!!!!!!!!!!!!!!!!!

circumference

- Find the circumference of a circle if the radius is 3

Formula is C = 2nr

6.28 x 3 = The Answer

Area

- Find the area of a rectangle if the length is 17 and the width is 12.and height is 10

Formula is

A = lxwxh

2040

Surface area

- Find the surface area of a prism if the height is 9 and the base is 6.(lateral)

Formula is S = Ph

54

Surface Area

- Find the total surface area of a prism if the height is 5 and the base is 3.

Formula is S = Ph + 2B

30

Surface Area

- Find the Surface area of a pyramid if the length is 3 and the base is 6.

Formula is S = ½ Pl

81

Surface area

- Formula for the surface area of a pyramid (total) S = ½ Pl + b

Find the surface area of a pyramid if the perimeter of the base 9 and the length is 5

Surface area

- Cylinder (lateral) S= 2 rh
- Cylinder (total) S = 2 r(h+r)

Find the lateral surface area if the radius is 3 and the height is 6.

Find the surface of a cylinder if the radius is 3 and the height

Volume

- Prism V = lxwxh

Find the volume of a prism if the length is 3 the width is 2 and the height is 6

36

Pi

= 3.14

Pythagorean theorem

- Pythagorean theorem a2 + b2 = c2

Simple interest formula

- I = prt

P & B

- P represents the perimeter of the base
- B represents the area of the base

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