Question

Q3
Find the value of the unknown exterior
angle x. In triangle ABC two interior
angle is 50 and 70. find exterior angle
X?
CIF​

Answer 1

Answer:

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Answer 2

Answer:

hey sweet heart here is your answer

let 2 interior angle be a and b

where , a= 50 and b=70

X is the exterior angle

so,

X = a + b ( Exterior angle property )

X =50 °+ 70°

X= 120°

Step-by-step explanation:

therefore, the measure of exterior angle ' X' is 120°