Free Printable LMHS Assignment #6: SA & V of spheres and hemispheres

Worksheets

LMHS Assignment #6: SA & V of spheres and hemispheres

Total questions: 13

Worksheet time: 1hrs 15mins

Name

Class

Date

Which formula calculates the volume of a sphere?

$\frac{4}{3}\pi r^3$

$4\pi r^2$

$\frac{1}{3}\pi r^3$

$\pi r^2$

Which formula calculates the surface area of a sphere?

$\frac{4}{3}\pi r^3$

$4\pi r^2$

$\frac{1}{3}\pi r^3$

$\pi r^2$

Find the surface area of the sphere.

310.2 cm²

379.2 cm²

221.6 m²

456 cm²

Find the volume of the sphere.

310.2 cm³

379.2 cm³

221.6 m³

456 cm³

What is the surface area of a sphere with the radius of 4 inches?

561.5 in²

267.9 in²

201.0 in²

50.2 in²

Find the volume of the hemisphere

904.3 in³

226.1in³

113.0 in³

452.2 in³

Find the surface area of the hemisphere

134.0 m²

100.5 m²

267.9 m²

201.6 m²

The surface area of a hemisphere is 1847.26 yd². What is the radius?

196 yd

14 yd

28 yd

3.8 yd

When a sphere has a volume of 972π, what is the radius of the sphere?

10.

Describe the error and correct the mistake.

They used the radius instead of the diameter. he correct volume is $150\ in^2$ .

They used the diameter instead of the radius. The correct volume is $9.42\ in^2$ .

They used the diameter instead of the radius. The correct volume is $150\ in^2$ .

They used the radius instead of the diameter. The correct volume is $9.42\ in^2$ .

11.

Mrs. Hazel has a square sheet of newspaper that measures 41 in. by 41 in. How many tennis balls can she cover if the radius is 1.5 in. ?

*Make sure you round to the nearest tennis ball!

(a)

12.

What was video 1 from the slide show about?

How the formula for the SA of a sphere is found using an orange.

How the formula for the volume of a sphere is found using an orange.

How the formula for the SA of a hemisphere is found using an orange.

How the formula for the volume of a hemisphere is found using an orange.

13.

What was video 4 and 5 discussing from the slideshow in week 3?

Examples on how to find SA & Volume of cones.

How to derive the formula for SA & V of a sphere.

Examples on how to find SA & Volume for spheres and hemispheres.

I didn't watch. :(

100 %

LMHS Assignment #6: SA & V of spheres and hemispheres

Total questions: 13

Worksheet time: 1hrs 15mins

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