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weeblordd
21.04.2021 •
Mathematics
Please help me find the correct answer to this!
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Ответ:
Base angles of isosceles triangles are the same, so that means 50° = 2x°, and hence x = 50/2 = 25°
So both base angles are 50°;
The angle sum (sum of all internal angles) of a triangle is 180°. So we know that;
50 + 50 + (5y+10) = 180
5y+10 = 80
5y = 70.
So y must be 14
Hope this helped