The Lens on a Telescope Has a Diameter of 200 $\pi$

question 22

Multiple Choice

The lens on a telescope has a diameter of 200 in. Find the area of the lens of the telescope. Give the exact value.

• A) 200 \(\pi\)in ²
• B) 10,000 \(\pi\)in ²
• C) 80,000 \(\pi\)in ²
• D) 160,000 \(\pi\)in ²
• E) 400 \(\pi\)in ²

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Definitions:

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