SOLUTION: A circle has a radius of 5.5mm. A sector of the circle has a central angle of 4.3 radians. Find the area of the sector. Do not round any intermediate computations. Round your

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Question 855366: A circle has a radius of 5.5mm. A sector of the circle has a central angle of 4.3 radians. Find the area of the sector.
Do not round any intermediate computations. Round your answer to the nearest tenth.
=65.0375
to the nearest tenth 65.0
is this right?
Found 2 solutions by Alan3354, fcabanski:
Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website!
A circle has a radius of 5.5mm. A sector of the circle has a central angle of 4.3 radians. Find the area of the sector.
Do not round any intermediate computations. Round your answer to the nearest tenth.
=65.0375
to the nearest tenth 65.0
is this right?
===================
Area of the circle = pi*r^2
Area of the sector = (4.3/2pi)*pi*r^2 = 4.3*r^2/2
= 65.0375 sq mms

Answer by fcabanski(1391) (Show Source):
You can put this solution on YOUR website!
That is correct. The area of a circle is . To find the portion of the circle's area within a sector, divide the sector's central angle by 360 degrees or by .