The perimeter of a rectangular box is 42cm. The length is 13 cm. Find its area.

The perimeter of a rectangular box is 42cm. The length is 13 cm. Find its area.

The perimeter of a rectangular box is 42cm. The length is 13 cm. Find its area. ?

Created: 1 week ago | Updated: 1 week ago | Created By:

Imran Ahmed

112cm2

104cm2

140cm2

121cm2

0 1

Best Answer Explained in Below-:

2(a + b) = 42 ⇒ 2(13 + b) = 42 ⸫ b = 8 area = ab = 13 × 8 = 104 cm2

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