Answer:
94cm²
Step-by-step explanation:
S = 2(lw + lh + wh)
=2(20+15+12)
=40+30+24
=94cm²
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Answer:
quick question that 1 4 supposed to be a fraction? as in 1/4?
Answer:
P = 2(2y+3)
P = 30
Step-by-step explanation:
P = 2 (L+W) or P = L + L + W + W
P = 2 (2y+3)
P = 4y+6
Plug in 6 for y.
P = 24+6
P = 30
Answer:
The Radius of the base, r, and the altitude h
Step-by-step explanation:
Surface area of a right cone

R= Radius
H=Radius