A door is in the shape of a rectangle with a semi-circular arch on top. The rectangular part is 2m high and the door is 90cm wide. What is the area of the door?
Give your answers correct to 2 decimal places.
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Answer:
Radius of the semicircle is 2 feet
so it's area is
1/2×3.14 ×2×2 = 6.28
Area of the door = length × breadth
= 4*8.25 = 33
Total area of the door = 33+6.28 = 39.28
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