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estimation. an apartment building is planning on replacing refrigerators in 50 of its units. if the refrigerators cost $ 771 each, estimate the total cost by rounding both numbers to the nearest 10.

the reason why your question keeps getting deleted because this is not a school related question : )

i will answer your question though.

i never tried church's

v = 1/3 a^2h

step-by-step explanation:

if the height is 57.7cm and the height of the slant edge is 18.2cm, then the volume is 1/3 a^2h.