Question

7) The area of a rectangle of length 12 cm is 96 sq.cm . Its perimeter is
a) 20 cm
b) 40cm c) 96 cm
d) 48 cm
of a circle of a diameter 10 cm is​

Answer 1

Answer:

Area of rectangle = 96 , length = l = 12 cm

l × b = 96

12 × b = 96

=> b = 96/12

= breadth = b = 8

so,

perimeter = 2(l+b)

= 2(12+8)

= 2(20)

= 40 cm

So , option B is correct.

hope it helps you

Answer 2

${\huge{\red{\underline{40 \: cm}}}}$

Step by Step:

Area of rectangle = 96 sq cm

Length of rectangle = 12 cm

Breath of rectangle = 96/12

=8 cm

Perimeter of rectangle =2x(length+breath)

=2 x 20

= 40 cm

${{\red{\underline{Please \: \: Mark \: \: as \: \: \: Brainliest}}}} \\ \small\fbox\orange{I'm requesting you with my folded hands!!}$