Question
The sides of two similar triangles are in the ratio 5:7.
The areas of these triangles are in the ratio:Solution
Let the sides of the triangles be 5x units and 7x units, respectivelySince, triangles are similar, therefore
Area of first triangle/ Area of second triangle = (side of first triangle/side of second triangle)²
= (5x/7x)² = 25/49
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