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A) ABC is an isosceles triangle . When A=130 degree, there is only one possible value for angle B. Explain why b) when A=56 degree.There are three possible sizes of angle B. What are they ?
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A) ABC is an isosceles triangle . When A=130 degree, there is only one possible value for angle B. Explain why

b) when A=56 degree.There are three possible sizes of angle B. What are they ?

User Radu Andrei
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1 Answer

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Answer:

The statement which must be true for an isoscelles triangle ABC has a 130° angle at vertex B is; m∠A + m∠C = 50°.

Explanation:

User Surajck
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