# geometry

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the sides of a triangle is 9,12,15cm..Find the sides of a similar triangle if the longest side is 20 cm

• geometry -

a/9 = b/12 = 20/15

easy to find a and b

or

(9,12,15) = 3(3,4,5)
(?,?,20) = 4(3,4,5)

• geometry -

12
16
20

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