Question

In figure if x:y=4:5 find the measure of z

Answer 1

Answer:

let

x=4a

y=5a

we know that

x+y+90=180   linear pair

4a+5a+90=180

9a =90

a=10

we say that

y=z    V.O.A

Y=5(10)

y=50

z=50