Calculate the shaded region

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First find the area of the sector.

For that, use this equation:

area =

where 'x' is the angle and 'r' is the radius

Sub the values in

area =

Solve:

area =

It is easier to keep it in terms of pi until the end

Now, calculate the area of the triangle within the sector

area = 1/2 ab x sinC

where 'a' and 'b' are the radius (side lengths) and C is the angle

thus,

area = 1/2(15 x 15) x sin(56)

area = 93.27 (to 2 d.p)

Now subtract the area of the triangle from the area of the sector

- 93.27 = 16.6857

This would give you a final answer of 16.69 units^2

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the answer would be 484

step-by-step explanation:

just multiply 0.484 times 1,000 (formula)

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