Question

The length of the side and the diagonal of a rhombus are 5cm and 8 cm .Find the area of the rhombus

Answer 1

side2 = 1/2d1 square+d2 square
5 square = 4 square+ d2 square
d2 square = 25-16=9
d2 = 3cm x 2
d2 = 6cm
therefore area of rhombus = 1/2×d1xd2
=1/2×6×9
=3×9
=27cm2