Unit 3 Volume Day 3

• plug in the 200 and the 5

• divide by 1/3, pi, and 5

• square root

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CCSS.8.EE.A.2

A cone has a volume of 235.6. The radius is 5. What is the height? (enter a whole number)

V=1/3Bh

Mathematical Equivalence

ON

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CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

• it is squared

• it is cubed

• it is multiplied by pi

• it is multiplied by 4/3

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CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

The radius of a sphere is doubled. What happens to the volume?

• it also doubles

• it triples

• it multiplies by 9

• it multiplies by 8

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CCSS.HSG.GMD.A.1

CCSS.HSG.GMD.A.2

CCSS.HSG.GMD.A.3

Mathematical Equivalence

OFF

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CCSS.8.EE.A.2

• r=8

• r=9

• r=12

• r=13

• r=20

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CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

Tim wants to cover the floor shaped like an isosceles trapezoid with bases 16 and 26 and sides that are each 13. Each piece of carpet has an area of 2.5 square feet. How many pieces of carpet will be needed? (trapezoid area formula and Pythagorean Theorem are needed)

• 101

• 126

• 202

• 252 (trap)

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CCSS.6.G.A.1

How will you find the volume of this composite figure?

• cylinder + 1/2 sphere

• cylinder + sphere

• 2 cylinders

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CCSS.5.MD.C.5C

Which statement is true.

• 6 is the height of the cone.

• You have to do Pythagorean Theorem to find the real height of the cone.

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CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

What will be the diameter of the cone created by the rotation shown?

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CCSS.7.G.A.3