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Can someone tell me the answer to this???

Can someone tell me the answer to this???
asked 207k views
1 vote
Can someone tell me the answer to this???

Can someone tell me the answer to this???-example-1
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User Jlbnjmn
by
9.2k points

1 Answer

3 votes
This is an isosceles triangle, which means both of the unknown angles have the same size. Sum of the angles in a triangle is 180. One is 40.
180 - 40=140
140/2=70
Now we can write the equation:
8x - 10 =70
8x=80
X=10
answered
User Richard McKechnie
by
8.9k points
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