5. find 'x' ??????????
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Answered by
1
Answer:
sorry i dont no math
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Answered by
2
Answer:
x=20°
Step-by-step explanation:
In triangle BOA,
angleB = 3x +10
angleO = 3x +10 -----(angle opposite to congruent side AB
angle A =2x
Now, In triangle ABO,
3x +10 + 2x + 3x + 10 = 180
8x + 20 = 180
8x = 160
x = 20
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