in an isosceles triangle the base angles are equal and the vertex angle is 70 degree find the measure of the base angles
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Answered by
45
Answer:
Step-by-step explanation:
in Δ ABC
∠ a = 70°
let the base angles be x
∴ x +x+70 = 180
2x + 70 = 180
2x= 180 - 70
2x = 110
x = 110\2
∴ x = 55
∴the base angles are 55°
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