Question

4. The lengths of the sides of a triangle
are in the ratio 3:4:5 and its
perimeter is 60
cm. Find its area​

Answer 1

Answer:

3x+4x+5x=60cm

12x =60

X =60/12

x =5

then 3x = 3*5=15

4x= 4*5=20

5x=5*5=25

then complete the sum with herons formula

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