Question

The perimeter of triangle is 44 cm. its
sides are in the ratio 4:3:5 and
its perimeter is 144 cm​

Answer 1

Let the sides of triangle be 4x,3x,5x

Perimeter of Triangle=sum of all sides

144=4x+3x+5x

144=12x

x=144/12

x=12

4x=4×12=48

3x=3×12=36

5x=5×12=60

Answer 2

Answer:

Let the sides of the triangle be:

4x, 3x and 5x (acc to ratio)

PERIMETER:

144 cm

TO FIND:

The three sides of the triangle.

FORMULA:

Sum of all sides = perimeter

⇒ 4x + 3x + 5x = 144

12x = 144

x = 144/12

x = 12 cm

SUBSTITUTE THE VALUE OF X IN THE SIDES:

4(12) = 48 cm

3(12) = 36 cm

5(12) = 60 cm

THE SIDES ARE:

48 cm, 36 cm and 60 cm

VERIFY:

4x + 3x + 5x = 144

48 + 36 + 60 = 144

144 = 144

LHS = RHS

Hence, verified

Hope it helps

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