Question

Q- In an isosceles triangle, the base angles are equal. The vertex angle is 40°.
What are the base angles of the triangle? ​

Answer 1

Answer:

the base angles be

′

x

′

Therefore,

x+x+40

∘

=180

∘

[Given]

2x=180

∘

−40

∘

2x=140

∘

x=70

∘

Hence,

The base angles of the triangle are 70

∘

,70

∘

.

Answer 2

Answer:

in an isoscles triangle that has exactly two equal sides the equal sides are called legs and the third side is called the base

Step-by-step explanation:

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