Question

3] solve the following :
[4
(1). In cm isosceles triangle; the base angles doe equal. The
Vertex cmgle is 40 what are the base angles Of the
triangle​

Answer 1

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Answer:

Step by step explanation:

Firstly, take look at the figure.

In an isosceles triangle, there are two equal base angles, and one vertex angle.

As given, Vertex angle is 40°.

Now, let the other two angles be x as both of the angle are equal.

Now we use angles sum property of triangles that is sum of all the angles of a triangle is always 180°.

Hence,

$x + x + 40°= 180°$

$2x + 40°= 180°$

$2x = 140°$

$x = 70°$

and that's the answer i.e. 70°

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