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October 25, 2014

Homework Help: geometry

Posted by lilman on Wednesday, April 18, 2012 at 12:15pm.

1. What is the lateral surface area of a square pyramid with side length 11.2 cm and slant height 20 cm?
224 cm2
448 cm2
896 cm2
2508.8 cm2

2. What is the lateral surface area of a cone with radius 19 cm and slant height 11 cm?
19 cm2
30 cm2
200 cm2
209 cm2

3. What is the lateral area of the square pyramid, to the nearest whole number?
165 m2
176 m2
330 m2
351 m2

4. What is the lateral surface area of the cone, to the nearest whole number?
221 cm2
240 cm2
304 cm2
620 cm2

5. What is the surface area of a cone with diameter 28 cm and height 22 cm in terms of ?
196 cm2
365 cm2
561.1 cm2

Can someone please help I'm not understanding this I know the formulas but not exactly how to use them or where to start.

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