What number is its own opposite?
2 answers:
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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
Answer: 15/4 or 3 3/4
Explanation: You make 2 1/2 into 5/2 (improper fraction) and 1 1/2 into 3/2.
You multiply the two together (5/2 x 3/2) equaling 15/4 (improper fraction) or 3 3/4 (mixed fraction)
