Geometry Chapter 12 Test Study Guide Can we
- Slides: 10
Geometry Chapter 12 Test Study Guide Can we have a volunteer to write on the front board?
• Push your desks together to work on these as a pair.
1) Be sure you can find the area of certain figures… Area = 16√ 3 units 2 8 8 Regular 8 32 10 10 20 Area = 208 units 2 10 Area = 150√ 3 units 2
2) Compute the slant height and lateral edge. Slant height = 13 Lateral edge = √ 313 5 24
3) Work backwards to find a missing length. Volume = 196∏ h = 12 Find r. radius = 7
4) Two similar prisms have heights of 6 and 8. The volume of the bigger prism is 192 cubic units. Find the volume of the smaller prism. Volume = 81 cubic units
5) A plane parallel to the base of a square pyramid divides the pyramid into two pieces. Find the following ratios. 4 LA top: LA whole = 16 : 49 LA top: LA bottom = 16 : 33 3
Formula Quiz Solid Score: LA 14 Name______ TA V Prism Cone Pyramid Cylinder Sphere When you finish, the Review Olympics is the HW… you may want to write down the answers from the next slide!
HW Answers Practice 49 Side 1) 110, 75 2) 5, 60, 48 3) 63∏ 4) 60 ∏ 5) 16√ 2 ∏ 6) 9 7) 125 ∏, 500/3 ∏ 8) 36 ∏ 9) Yes 10) 2/5, 4/25, 8/125 11) 14 Chapter 12 Side 1) 176, 236, 240 2) 486, 729 3) 96 4) 320, 576, 512 5) 360, 468, 540 6) 192 ∏, 320 ∏, 768 ∏ 7) 175 ∏, 224 ∏, 392 ∏ 8) 36 ∏, 36 ∏ 9) No 10) ½, ½, ¼ 11) 4/25, 8/125 12) 16 ∏ 13) 1400
Formula Quiz Solid Prism Cone Pyramid Cylinder Score: 14 LA TA V LA = ph TA = LA + 2 B TA = ph + 2 B V = Bh V = Lx. Wx. H LA = ∏rl TA = LA + B TA = ∏rl + ∏r 2 V = 1/3 Bh V = 1/3 ∏r 2 h LA = n. F LA = ½ pl TA = LA + B LA = ch LA = 2∏rh Sphere Name______ TA = ½ pl + B TA = LA + 2 B TA = 2∏rh + 2∏r 2 A = 4∏r 2 V = 1/3 Bh V = ∏r 2 h V = 4/3∏r 3
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