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Alex17521 [72]
3 years ago
6

What did I do wrong when finding out the sector area? I know the answer I got is wrong so can someone please help me

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
7 0

A circular sector is the area between two radii of a circle and the arc between them.

The area is indeed given by

pi*r^2*(arc angle/360)

=pi*10.5^2(118/360)

=36.1375 pi cm^2

=113.529... cm^2

Therefore your answer is correct, to the first decimal place.

Perhaps you can check if the question specifies a different accuracy for the answer, or a different value of pi to be used.

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A square has a perimeter of 40 m what is the length of each side
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Answer:

10m

Step-by-step explanation:

<u>Perimeter</u> means adding up all of the sides of a shape.

One property of a square is that <u>all lengths of a square are the same</u>.

We also know squares have <u>4 sides</u>.

<u />

Lets set up an expression to solve the length for each side with variable S representing the length of a side:

4 * S = 40

Divide each side by 4:

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Step-by-step explanation:

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