math
posted by Princess Anna on .
Find the lateral area of a cone with a radius of 7 ft. and a slant height of 13 ft.
Use 3.14 for π and round to the nearest whole number.
439 ft2
324 ft2
572 ft2
286 ft2***
Find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm.
324 cm3
108 cm3
36 cm3***
152 cm3

hm?

cone: ok
pyramid: v = 1/3 Bh = 1/3 * 81 * 4 = 108
B is the area of the base, not the side length 
Thxs Steve :)