Solve using substitutions! Help w this question please!!
1 answer:
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SA of a cylinder: 2
r² + 2rh
r = radius of base
h = height of cylinder
Plug in 3 for r and 5 for h in the formula.
23² + 2(3)(5)
Use a calculator to solve.
23² + 2(3)(5) = 150.8 ft²
r = radius of base
h = height of cylinder
Plug in 3 for r and 5 for h in the formula.
2
Use a calculator to solve.
2