Question

in a rhombus of side 10 centimetre one of the diagonal is 12 cm long find the length of the second diagonal​

Answer 1

Step-by-step explanation:

consider ∆ABC

(BC)^2= (AB)^2-(AC)^2

=x^2=100-36

= x^2=64

=x=√64

=x=8 cm

total length of diagonal

= x+x

=2x

= 2*8=16cm Answer {x=8}