Question

the diagonal of a rhombus are 15cm and 20cm . find its perimeter ( answer :- 50m )

Answer 1

Diagonals of rhombus busects each other by 90°
By Pythagoras theorem,


(7.5)²+(10)²=side²

56.25+100=side²

156.25=side²

12.5=side

Perimeter of rhombus=4side=4*12.5=50cm

Answer 2

Diagonals of rhombus busects each other by 90°

By Pythagoras theorem,

(7.5)²+(10)²=side²

56.25+100=side²

156.25=side²

12.5=side

Perimeter of rhombus=4side=4*12.5=50cm