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# Grade 8 math chart - PowerPoint PPT Presentation

Grade 8 math chart. TCU Is Going To The Rose Bowl!!!!!!!!!!!!!!!!!!!!. perimeter. Find the perimeter of a square if the length is 4 and width is 4. Formula P = 4s. 16. circumference. Find the circumference of a circle if the radius is 3. Formula is C = 2nr. 6.28 x 3 = The Answer. Area.

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

perimeter
• Find the perimeter of a square if the length is 4 and width is 4

Formula P = 4s

16

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 square if the

Length is 5 and the width is 5.

Formula A = s2

10

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

Area
• Find the area of a triangle if the base is 7 and the height is 9.

Formula is bh/2

31.5

Area
• Find the area of a circle if the radius is 2.

Formula is A = nr2

12.56

Surface area
• Find the surface area of a cube if all the sides are 4

Formula is S = 6s2

96

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

Volume
• Cylinder V = Bh

Find the volume of a cylinder if the base is B = 8 and the height is 12

96

Volume
• Pyramid V= 1/3 Bh

Find the volume of a pyramid if B = 7 and the height = 9

21

Volume
• Cone V = 1/3 Bh

Find the volume of a cone if the B = 7 and the height is 9

21

Volume
• Sphere V= 4/3 nr3

Find the volume of a sphere if the radius is 3

84.78

Pi

= 3.14

Pythagorean theorem
• Pythagorean theorem a2 + b2 = c2
P & B
• P represents the perimeter of the base
• B represents the area of the base