Question

the vertex angle of an isosceles triangle is 70 degree. find the measure of the other two angles​

Answer 1

If we consider the value of two equal angles of isoceles triangle be equal to 70, then value of x will be:

x+140=180

x=40.

And if take the value of equal angles of triangle be x, then the value of x will be:

2x+70=180

2x=110

x=55.

So, sum of all the possible values of x is 55+40 = 95.

The answer is 95.

Answer 2

Answer:

ABC is a isosceles triangle with Angle B and Angle C be the base angles and Angle A be the top angle.

Let the base angle be = x

Since, both the base angles of a triangle are equal...

i.e. Angle B = Angle C = x

So, by angle sum property

Angle A + Angle B + Angle C = 180°

70 + x + x = 180

2x = 180-70

x = 110/2

x = 55

Therefore, the one base angle is 55°

Since both the base angles are equal as it is a isosceles triangle

So, Angle B = Angle C = 55°

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