Question

20. In the figure, if I || m | n ; If x: y = 5:4, then the measure of angle z is a) 100° b) 80 c) 90° d)120 ​

Answer 1

Answer:

Therefore

Let x be 100

b will be =

$\frac{100}{5} \times 4 = 80$

So,

If y = 80

Then,

z = 80 ( alternate interior to b )