This task is about working out the area and perimeter.
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The figure below shows a flag. It has three equal-sized rectangular panels of blue, gold, and red. The gold panel has a black circle in the centre of it. |
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Useful Formula
a = |
r2 where:
= 3.14|
a) |
What would be the length of stitching required to go right around the flag?
__________ m
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| b) |
What is the area of the blue panel? __________ m2 |
| c) |
What is the area of the black circle, if it has a diameter of 5.0 m? __________ m2 |
| d) |
What is the area of gold cloth remaining in the centre panel, if the black circle was cut from it?
__________ m2
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