WAEC - Mathematics (2021 - No. 24)

The diagonal of a rhombus are 12cm and 5cm. calculate its perimeter

26cm

24cm

17cm

34cm

Perimeter of a Rhombus = 4L or 2√( d1\(^2\) + d2\(^2\))

P = 2√(12\(^2\) + 5\(^2\))

P = 2√(144 + 25)

P = 2√169 = 2 * 13

P = 26cm