The area of a rectangular field is 124 sq. cm. The length is 31 cm, then perimeter is?
Answer & explanation
Correct answer: option 1
Area of the rectangle = l × b
⇒ 124 = 31 × b
⇒ b = 4 cm
perimeter = 2 (l + b)
= 2(31 + 4) = 70 cm
The area of a rectangular field is 124 sq. cm. The length is 31 cm, then perimeter is?
Correct answer: option 1
Area of the rectangle = l × b
⇒ 124 = 31 × b
⇒ b = 4 cm
perimeter = 2 (l + b)
= 2(31 + 4) = 70 cm