Question

please answer this question​

Answer 1

B)33.5 IS THE ANSWER

Step-by-step explanation:

if one side =100cm

the perimeter =100 cm × 3 = 300 cm

now after increasing sides these have become 120cm,130cm,150cm

so now the perimeter = 120cm + 130cm + 150cm = 400cm

the perimeter increases 400cm - 300cm = 100 cm

in percent 100/300×100 = 33.5 % (B)