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gigi239
11.07.2019 •
Mathematics
What is the volume of this square pyramid? a 1,296cmb 1,620cmc 3,888cmd 11,664cm
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Ответ:
a square pyramid with base edge length 18 cm and height 12 cm
Findits volume
SolutionThe formula for the volume of a pyramid is
... V = (1/3)Bh . . . . . where B is the area of the base and h is the height
The formula for the area of a square is
... A = s² . . . . . . . . . where s is the length of the side.
For the given pyramid, the area of the base is
... A = (18 cm)² = 324 cm²
so the volume is
... V = (1/3)(324 cm²)(12 cm) = 1296 cm³ . . . . . matches selection A
Ответ:
D Because if you substitute 4 into the equation for x and cross multiply, you get 224 = 224.
Step-by-step explanation:
When you cross multiply, you get 14×16=224, and 224÷4=56.