Question

the parallelogram ABCD , slope of AB = -2 slope of BC = 3/5. state the slope of AD​

Answer 1

ANSWER

Consecutive angles sum in a parallelogram =180

∠ABC+∠BCD=180

Let ∠ABC=x,

∴∠BCD=3x

x+3x=180,

4x=180,

x=45 (∠ABC=45 )