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primary 6 | Maths
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We could see the angle of a square is 90°.
1. Find the circumference of the quater circle. 90° x 2 x π x 6(radius)
2. We have 3 (quater of circle) circumference and 2 straight line as for the perimeter for the shaded area.
3. Circumference is 9.42 (formula aboved)
4. Perimeter total is 9.42+9.42+9.42+6+6 = 40.26
I hope this helps!
See 1 Answer
We could see the angle of a square is 90°.
1. Find the circumference of the quater circle. 90° x 2 x π x 6(radius)
2. We have 3 (quater of circle) circumference and 2 straight line as for the perimeter for the shaded area.
3. Circumference is 9.42 (formula aboved)
4. Perimeter total is 9.42+9.42+9.42+6+6 = 40.26
I hope this helps!