Question

The ratio of the sides of a quadrangle plane is 2: 3: 4: 5, and the perimeter is 840
cm. Find the length of the smallest arm (in cm).

Let the side of the Quadrangle be 2x,3x,4x, and 5x. ATQ- Perimeter 2x3x4x5x 2x3x4x5x 840 14x 840 x60. Length of the smallest arm 2x 260 120cm.

A 120

B 140

C 110

D 130

Detailed Solution