Circle arc

Calculate the circular arc area in m2 where the diameter is 263 dm, and a central angle is 40°. Result round to three decimal places.

Correct answer:

S =  60.361 m2

Step-by-step explanation:

d=263 dm r=d/2=263/2=2263=131.5 dm k=36040=910.1111  S1=π r2=3.1416 131.5254325.2056 dm2 S2=k S1=0.1111 54325.20566036.134 dm2  S=S2 m2=S2:100  m2=6036.134:100  m2=60.361 m2=60.361 m2

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