Question

The length of the sides of a triangle are 5/4 cm, 18/5 cm and 7/2 cm respectively. find its perimeter​

Answer 1

Answer:

$perimeter = 25 + 72 + 70 \div 20 = 167 \div 2$

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Answer 2

Answer:

perimiter=summation of the three sides of the triangle

              =(5/4+18/5+7/2) cm

              =(25+72+70)/20   cm

              =167/20 cm

              = 8.35 cm