Area of a quadrilateral ABCD is 20cm2 and perpendiculars on BD from opposite vertices are 1cm and 1.5cm. The length of BD is
Area of the given quadrilateral = 
(sum of altitudes) × corresponding diagonal.
20 = 
(1 + 15)BD
BD = 16cm
21
Area of a quadrilateral ABCD is 20cm2 and perpendiculars on BD from opposite vertices are 1cm and 1.5cm. The length of BD is
Area of the given quadrilateral = (sum of altitudes) × corresponding diagonal.
20 = (1 + 15)BD
BD = 16cm