Question

A rectangle is twice as long as its width and its perimeter is 42 cm then find out its length and breadth note ( it is from simultaneous equations and it should done from comparison method).

Answer 1

Answer:

LENGTH=2*7=14

BREADTH=1*7=7

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

Let the width be x and the length 2x since it is 2 times larger.

A rectangle has 4 sides ( 2 lengths, 2 widths) x+x+2x+2x= 6x

x=42/6

x=7cm

The width is 7cm.