Question

find the perimeter of a rectangle hall 30 m long ,if length of the hall is double its breath

Answer 1

Answer:

Let the breadth be x

Length = 2x

ACQ,

2x = 30

x = 15

Breadth = 15 m

Length = 30m

$2(length + breadth)$

Perimeter = 2(30+15)

2 × 45

90m