Question

WHAT'S THE ANSWER?
a)120
b)150
c)180
d)135

Answer 1

Answer:

x + y + z = 150°

Step-by-step explanation:

External angle  of triangle = Sum of other two angles

95° = 60° + ∠x

=> ∠x = 35°

Similarly

95° = 30° + ∠DCA

=> ∠DCA = 65°

∠y + ∠DCA + ∠z = 180°  ( Straight line)

=> ∠y  + 65° + ∠z = 180°

=> ∠y + ∠z = 115°

∠x + ∠y + ∠z = 35° + 115° = 150°

x + y + z = 150°