Math, asked by adhikaritapas50, 9 months ago

Find the vertex angle of an isosceles triangle whose one of the base angle is 70°.

please answer me as soon as possible

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Answered by BrainlyNisha001

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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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Answered by subhamsingh5318

Answer:

the vertex angle is 40°

Step-by-step explanation:

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Find the vertex angle of an isosceles triangle whose one of the base angle is 70°.please answer me as soon as possible ​

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Find the vertex angle of an isosceles triangle whose one of the base angle is 70°.

please answer me as soon as possible