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![Page 1: mrspmath.weebly.commrspmath.weebly.com/uploads/2/8/0/9/28098317/geom.t… · Web viewFind the surface area & volume of the sphere. S = 4 π r2 V = 4/3 π r3. 10) 10 - 11) Find the](https://reader033.vdocuments.us/reader033/viewer/2022060503/5f1d2a82909630313650894e/html5/thumbnails/1.jpg)
Geometry Test 30 Show Work. 1) The scale factor of ∆ ABC to ∆ DEF is 2: 3. Area of ∆ ABC = 5x + 1, Area of ∆ DEF = 9x + 9, find x.
Find the surface area of the following.
S = 2B + Ph S = 2π r2 + 2 π rh S = B + 1/2 PL S = π r2 + π rL
2) 3) 8 4) 5) 10
12 12
12 10
12
Find the volumes.
V = Bh V = π r2h V = 1/3 Bh V = 1/3 π r2h
6) 7) 8) 9) 4
5 16
3
Find the surface area & volume of the sphere.
S = 4 π r2 V = 4/3 π r3
10)
10 - 11) Find the radius and surface area if the volume of a sphere is 972π.
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Find the surface area & volume.
12 - 15) 16 - 19)
Find the volume of the unshaded solid.
20 - 21)
22 - 23) Find the surface area and volume of a similar cylinder knowing the scale factor is 1:3. This is the smaller cylinder.
2
5
24) The scale factor of the radius of a softball to a basketball is approximately 2 to 5. The volume of the softball is approximately 33.51 cubic inches. What is the approximate volume of the basketball?
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Complete the statement with the word always, sometimes or never.
25) Two spheres are _______similar. 25a) A prism is ______ similar to a pyramid.