Question

1.
ış times the
A rectangle has 15 cm as its length and 150 cmas its area. Its area is increased to
original area by increasing its length. Its new perimeter is:
(a) 50 cm
(d) 80 cm
(b) 60 cm
(c) 70 cm
How to solve

Answer 1

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Answer 2

60 cm

Step-by-step explanation:

breadth of the rectangle =(150/15) cm = 10 cm

new area =(4/3×150) sq.cm =200sq.cm

new perimeter = (200/10) cm =20 cm

new perimeter = 2(20+10)cm = 60 cm