The figure represents the overhead view of a deck surrounding a hot tub what is the area of the deck round to the nearest 10th

Question

Mathematics

Oconnor

22 July, 22:22

The figure represents the overhead view of a deck surrounding a hot tub what is the area of the deck round to the nearest 10th

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Answers (1)

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Norah Villa · Answer 1

r = 2.7 m

R = (5.4 : 2) + 2.2 = 2.7 + 2.2 = 4.9 m

The area of the deck:

A = R² π - r² π = (R² - r²) π = (4.9² - 2.7²) π =

= (24.01 - 7.29) π = 16.72 π = 1.72 · 3.14 ≈ 52.5 m²