triangle ABC with measure of
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Answer:
It has been given that,
⇒ ∠A=∠B−40
....(1)
∠A=∠C−50
....(2)
Now, in triangle ABC,
∠A+∠B+∠C=180
⇒ ∠A+∠A+40
+∠A+50
=180
⇒ 3∠A=180
−50
−40
⇒ 3∠A=90
⇒ ∠A=30
Step-by-step explanation:
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