Question

if the measure of each angles of an isosceles triangle is 55°, what will be the third angle​

Answer 1

Answer:70 degree is the answer

Step-by-step explanation:

given two angles of isosceles triangle =55°

Let the third angle be x ,

so x+55+55=180 [A.S.P] = angle sum property

x = 180 - 110

=70°

hope it helps you

Answer 2

Answer:

Isosceles triangle- 2 angles are equal.

Sum of angles of a triangle = 180°

Let the third angle be x°.

55° + 55° + x° = 180°

110° + x° = 180°

x° = 180° - 110°

x° = 70°

TO CHECK:-

55° + 55° + 70° = 180°

LHS = RHS

Hence, proved.