Question

justify the statement algebraically. in a triangle, if the sum of measure of two angles is equal to the measure of the third angle, then the triangle is a right triangle?

Answer 1

let the sum of two angles be x, so the third be x too.
x + x = 180
2x = 180
x = 90

yup, it is a right triangle ;)

Answer 2

thanks

Answer 3

welcome ;)