In the given figure, find the measure of ∠ACD.
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Verified answer
Answer:
Step-by-step explanation:
the sum of interior angles of triangle is equal to the exterior angle.
50+70=120
Answer:
Step-by-step explanation:
Given angles are,
∠A = 70°
∠B= 50°
To find the the value of unknown Angle.
We have to assume that exterior be y and interior angle be x
Now,
Firstly, we use angle some property to find the value of x
50° + 70° + x = 180° ( Angle sum property)
➥120° + x = 180°
➥x = 180° - 120°
➥ x= 60°
So, value of x is 60°
Now,
➥60° + y = 180° ( Angle on straight line)
➥y = 180° - 60°
➥y = 120°
So, value of y is 120°
Verification:-
Sum of interior opposite angles = Exterior Angle
➥70° + 50° = 120°
➥120° = 120°
L.H.S = R.H.S
Hence, Verified