Question

find the value of x, y and z​

Answer 1

Answer:

angle ECD = 45°

we know that exterior angle of triangle is equal to sum of opposite interior angles.

i.e x + 45 = 84

x = 84 – 45 = 39°

now, BC || DE then angle ECB = 84

Z + 45 = 84

Z = 84 – 45 = 39°

y = 180 – 45 – 39 = 96°