Triangles and Circles Ratio

Geometry Level pending

2:7 1:4 1:5 1:3 3:7

Hill Taeudomkul by Hill Taeudomkul , 19, Thailand

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1 solution

Hill Taeudomkul
Mar 11, 2016

If you rotate the circle (with the triangle inside) 45 degrees you will see that it is a quarter of the large triangle.

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The length of the side of the inside triangle = 2√3 r The length of the side of the inside triangle = √3 r area of the smaller triangle : area of the larger triangle √3 ×1/2 ×3/2 ∶ 2√3 ×1/2 ×3
1: 4

Tarek Ghonaim - 3 years, 9 months ago

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