Q: the third angle of an isosceles triangle is 20° more than the sum of 2 equal angles. Find 3 angles of the triangle.
please help me
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Answer:
Let the angles be x
∘
,x
∘
and x+30
∘
.
Then,
x+x+(x+30
∘
)=180
∘
⇒3x+30
∘
=180
∘
⇒x=50
∘
.
Step-by-step explanation:
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