8 1/5 ( 4 2/5 + 3 3/10) What is the answer
2 answers:
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Answer: 13.96 in²
<u>Step-by-step explanation:</u>
- radius (r)
d = 2r
16 = 2r
8 = r
- angle in radians (θ)
180(θ) = 25(π)
θ =
θ =
- Area (A)
A = r² θ
=
=
= 13.96
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Answer: 12π
<u>Step-by-step explanation:</u>
s = rθ
= 60
= 12π
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Answer: 22.440 cm²
<u>Step-by-step explanation:</u>
A = r²θ
= (10)²
=
= 22.440
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Answer: 270°, 630°, -450°, -810°
<u>Step-by-step explanation:</u>
positive: -90 + 360 = 270
270 + 360 = 630
negative: -90 - 360 = -450
-450 - 360 = -810
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Answer:
<u>Step-by-step explanation:</u>
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=
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If you subtract another 2π, you will end up with a negative value. The question asks for the smallest positive value.