MT Moderator's answer to Cynthia's Secondary 1 Maths question.
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1) Figure can be folded into a box.
2) Area of figure = surface area of figure.
3) Key point in the question is the find the length of the curve part.
*Read the blue workings, then the red ones, then the purple ones.
2) Area of figure = surface area of figure.
3) Key point in the question is the find the length of the curve part.
*Read the blue workings, then the red ones, then the purple ones.
Date Posted:
7 years ago
I don't understand why the length of arc which is pi is equal to side of the rect
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