Question

In an isosceles triangle, the base angle are equal.The vertex angle is 40 degree .What are the base angle of the triangle ​

Answer 1

Answer:

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Step-by-step explanation:

ANSWER

ANSWERLet the base angles be

ANSWERLet the base angles be x

ANSWERLet the base angles be x Therefore,

ANSWERLet the base angles be x Therefore, x+x+40 °

=180

[Given]

]2x=180 °

−40 °

2x=140 °

x=70 °

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