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The shorter sides of a right-angled isosceles triangle are each 10cm long,

The triangle is folded in half along its line of symmetry to form a smaller triangle.
How much longer is the perimeter of the larger triangle than that of the smaller?​

User Dilico
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1 Answer

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The smaller triangle is approx 7.18 cm shorter in perimeter than the original triangle
User Mezod
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