Describe how to identify the vertex angle of an isosceles triangle. (a)The vertex angle is the smallest angle in the triangle.
(b)The vertex angle is the largest angle in the triangle.
(c)The vertex angle is the angle formed by the congruent sides, or legs, of the triangle.
(d)The vertex angle is one of two congruent angles of the triangle.

22 points algebra 1//sum and product of rational and irrational numbers. dont have to do all 4 if could much : )) write an example: 1) how the product of two identical irrational numbers can be a rational number. 2) how the product of two different irrational numbers can be a rational number. 3) write a quotient of intergers that is not a real number. 4) is the set of positive irrational numbers closed for the operation of division? if not give a counter example.