Using the Arc length formula s = r θ, find the missing variable.
1 answer:
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Answer:
Total area = 26.13 ft²
Step-by-step explanation:
area of a triangle = 1/2 x base x height
From inspection, the base of the triangle = 3 x 2 = 6
and the height of the triangle = 4
⇒ area = 1/2 x 6 x 4 = 12 ft²
area of a semicircle =
⇒ area =
⇒ area = 14.13 ft²
Total area = 12 + 14.13 = 26.13 ft²