Unit 2 Volume and Review.

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Presentation transcript:

Unit 2 Volume and Review

Warm-up Find the volume of a rectangular pyramid with a base of 6 in by 5 in and a height of 4 in. Find the volume of a cylinder with a diameter of 8 and height of 9. What is the radius of a cone with a volume of 169.6 cm cubed and a height of 6.

HW 2.14

HW 2.15

Example 3 Find the volume of the figure.

Vocabulary A sphere is the set of points in three dimensions that are a fixed distance from a given point, the center. A plane that intersects a sphere through its center divides the two halves or hemispheres. The edge of a hemisphere is a great circle.

Formula Sphere r = radius Hemisphere r = radius

Example 1 Find the volume of a sphere with radius 9 cm, both in terms of p and to the nearest hundredth of a unit.

Example 2 Find the volume of a sphere with radius 3 m, both in terms of p and to the nearest hundredth of a unit.

In partners complete the problem set for a grade!

HW 2.16