Cylinder A has a radius of 7 inches and a height of 5 inches. Cylinder B has a volume of 490π. What is the percentage change in volume from cylinder A to cylinder B?
2 answers:
Answer:
the answer is D
Step-by-step explanation:
Percentage change is 100% increase.
Step-by-step explanation:
Step 1: Find volume of cylinder A using equation, V(A) = πr²h, where r = 7 in and h = 5 in ⇒ V(A) = π × 7 × 7 × 5 = 245π
and V(B) = 490π
Step 2: Calculate percentage change from V(A) to V(B) ⇒ % change = [V(B) - V(A)/V(A)] × 100 = (490π - 245π/245π) × 100
= 245π/245π × 100 = 100% increase
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