The area of a rectangular field is 147 sq. cm. The length is 7 cm, then perimeter is?
Answer & explanation
Correct answer: option 1
Area of the rectangle = l × b
⇒ 147 = 7 × b
⇒ b = 21 cm
perimeter = 2 (l + b)
= 2(7 + 21 ) = 56 cm
The area of a rectangular field is 147 sq. cm. The length is 7 cm, then perimeter is?
Correct answer: option 1
Area of the rectangle = l × b
⇒ 147 = 7 × b
⇒ b = 21 cm
perimeter = 2 (l + b)
= 2(7 + 21 ) = 56 cm