A rectangle has a width of 12 cm and diagonal of 20 cm find the lenght

Answer 1

12^2 + L^2 = 20^2
L = 16

It's just a 3-4-5 triangle scaled up by a factor of 4.

Answer 2

12^2 + L^2 = 20^2

144 + L^2 = 400

L^2 = 256

L = 16

Answer 3

I am with my answer

Answer 4

Thanku

Answer 5

You're welcome.