Question

if r square = L square + D square, solve for d and find the value of d if r=5 and L=4​

Answer 1

Answer:

GIVEN

R =5 , L =4

= R² = L²+ D²

= 5² = 4²+ D²

= (5+4)(5-4) = D²

= 9 =D²

∴ D = ±3