Circumference 15873

The sides of the triangle are in a ratio of 3:4:6. One side of it measures 21 cm. Calculate its circumference.

Correct answer:

o =  91 cm

Step-by-step explanation:

a:b:c=3:4:6=0.125=1:8  21 = 3 7  a=21 cm b=a/3 4=21/3 4=28 cm c=a/3 6=21/3 6=42 cm  o=a+b+c=21+28+42=91 cm

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