Question

diagonal of rhombus are 20cm and 21cm are respectively. then find all side and perimeter

Answer 1

1/2 square root of
$= 20 ^{2} + \: 21^{2}$
$= 841 = 29 \div 2 = 14.5$

Side=14.5cm

Perimeter=14.5*4
=58cm