Answer: I think this is a triangle because there are 3 angles.
All triangles have the entire sum 180*
(5x) + (4x + 10) + (10x-5) = 180
x = 175/19
Answer - 1750/19 (Decimal: 92.105263)
Explanation:
10 (175/19)
10/1 * 175/19
10 175
1 19
= 1750
19
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