The lengths of the sides of a triangle are in the extended ratio 3:10:12. The perimeter is 400 cm. What is the length of the longest side in centimeters?

1 Answer
Binayaka C.
Sep 22, 2016

The length of longest side is #192# cm.

Explanation:

The sides of the triangle are #3x,10x,12x :. 3x+10x+12x=400 or 25x=400 or x=16#So the sides are #3x=48; 10x=160; 12x=192#
The length of longest side is #192# cm [Ans]

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