QueenNerdy889
07.07.2021 •
Mathematics
2x-1/2x divided by 1 + 1/2x with overall LCD
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Ответ:
Va - the volume of the pyramid A
Vb - the volume of the pyramid B
The volume of the square pyramid is:
V = s² * h / 3
s - side
h - height
We know:
sa = 12 in
ha = 8 in
sb = 36 in
hb = 24 in
Va = sa² * ha / 3 = 12² * 8 / 3 = 144 * 8 / 3 = 1152/3 = 384 in²
Vb = sb² * hb / 3 = 36² * 24 / 3 = 1296 * 8 / 3 = 31104/3 = 10368 in²
We want to know how many times the volume of pyramid B is bigger than pyramid A :
Vb/Va = 10368/384 = 27