What is the minimum number of triangular faces a pyramid has to have?
1 answer:
There are four triangles in a pyramid with a square or rectangle base and five triangles in a pyramid with a triangular base.
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Answer:
12
Step-by-step explanation:
X^2 = (7+9)(9) -->
X^2 = 16(9) -->
X = 12
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F(x) = x - 7
x = -2
f(-2) = -2 - 7
f(-2) = -9
A negative multiply a positive = negative
hope it helps
I'll gladly help you, but I can't really read that.
