No, the correct answer is square pyramid
By replacing you get:
5*7-2*11+3*(-1) = 35-22-3= 10
so the answer is 10.
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12a + 8b....common factor is 4
4(3a + 2b) <==
T= sqrt(5/wc)
remove ( )
T= 5sqrt/wc
multiply by wc
Twc=5sqrt
divide by Tc
W= 5sqrt/cT
hope this helps
1. 90°
2. 5.74
3. 90°
4. 7
:))
