Question

2. The lengths of the sides of a triangle are in
the ratio 3: 4: 5. Find the area of the trian-
gle if its perimeter is 144 cm​

Answer 1

Let the common ratio be x
Therefore,
3x+4x+5x=144
12x=144.
x=144/12
x=12

if x=. 12
Then
3x=12x3=36cm
4x=12x4=48cm
5x=12x5=60 cm

Answer 2

Answer:

here is your answer

hope the answer will correct