One angle of an isosceles triangle measures 140°. Which other angles could be in that isosceles triangle?
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Answer:
140 + 2x = 180
2x = 40
x = 20
other two angles must be 20° each.
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Answered by
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Take the base angles as x…
In an isosceles triangle, two acute angles are equal so according to question :
x + x + 140 = 180
2x = 40
x = 20
Therefore, the answer will be 20.
In an isosceles triangle, two acute angles are equal so according to question :
x + x + 140 = 180
2x = 40
x = 20
Therefore, the answer will be 20.
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