Ratio & Proportion Mcqs

Q.  The perimeter of a triangle is 81 cm. If the sides are in the ratio 4:3:2, find the length of the largest side.

a. 45 cm
b. 40 cm
c. 36 cm
d. 27 cm


ANSWER: See Answer
 
Let the three sides be 4x,3x and 2x. 4x+3x+2x = 81 9x = 81 x = 9 Length of the largest side
= 4x = 36 cm
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