Question

(ii) The exterior and the interior angle pairs at any vertex are called _______

(iii) The points
the ________ boundary of a triangle are known as the
exterior points of the triangle.

(iv) _______ sides of an equilateral triangle are equal.

( V ) In an isosceles triangle , the angles opposite to the equal sides are also ______​

Answer 1

2. Alternate angles

3.

4.Three

5.base

Extremely sorry I don't know the answer of 3rd one