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Old 8th July 2012, 11:13 AM   #1 (permalink)
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O Level E-Maths question

Hi people, I'm new!
Currently doing some practices, and got stuck at this!
I think this is like PSLE math question, but somehow I couldn't solve it.
Tried drawing lines here and there though...
Please help! Thank you!


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Old 8th July 2012, 11:32 AM   #2 (permalink)
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Not gonna spoil the fun for you, so here is a hint.

Join the intersection of the 2 arcs with the centre of the 2 quarters. It will form an equilateral triangle.

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Old 8th July 2012, 11:37 AM   #3 (permalink)
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Re: O Level E-Maths question

let me try do tis question, i think is 8x8=64cm2, i think the answer is 64, am i right?? should be

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Old 8th July 2012, 11:48 AM   #4 (permalink)
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Re: O Level E-Maths question

Originally Posted by utahjazz View Post
let me try do tis question, i think is 8x8=64cm2, i think the answer is 64, am i right?? should be
unfortunately 8x8 will be the area of the square, not the shaded region

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Old 8th July 2012, 11:57 AM   #5 (permalink)
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Re: O Level E-Maths question

Originally Posted by Tetrahedron View Post
Not gonna spoil the fun for you, so here is a hint.

Join the intersection of the 2 arcs with the centre of the 2 quarters. It will form an equilateral triangle.

Sent from my GT-P6200 using Tapatalk 2
wow that's an important hint!
thanks a lot, i've solved

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