# Math : Geometry : Similar triangles

two right triangles are similar. the of the larger triangle is 4 times as long as the base of the smaller triangle. the height of the longer triangle is 16cm. the area of the smaller triangle is 6cm^2. What is the area of the long triangle?

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1. 6*4*4=128

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2. The relationship between the perimeter of the image and the perimeter of the original shape

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