Question

construct a angpe PQR whose perimeter is 12 cm and the length of whose side are in the ratio 2:3:4

Answer 1

Answer:

Let the sides be 2x,3x and 4x.

2x+3x+4x=12

9x=12

x=4/3=1.75cm

Sides are 2x=2×1.75=3.5cm

3x=3×1.75=5.25cm

4x=4×1.75=7cm

Now Construct according to sides.