1.what is the third angle for the triangle where angle1=45° and angle2=40° ?

45° 60° 95°

2.If one angle of a Triangle is equal to 90° then it is called as _____________ Triangle

obtuse acute right angled

3.A Perimeter of a triangle is defined as

sum of all the sides sum of all the angles

4.The line joining a vertex of a triangle to the mid point of its opposite side is called as ?

Median Midsegment Centroid

5.A triangle where all sides are congruent is called?

Equilateral triangle Isosceles triangle Scalene triangle