Answer:
9.43
Step-by-step explanation:
find the area of the circle and take away 1/4 of the area (because the angle taken away is 90) then you have the answer.
Answer:
40 cm equals 400 millimeters
I hope this helps you
Answer:

then Radias equal to 5.5676
Step-by-step explanation:
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Answer:
Step-by-step explanation:
For window, area 3×2
=6
For wall, area=20×16
=320
Area of wall withot window=320-6
=316