Question

A right triangle has an angle that measures 45 what is the measures of rhe thrid angle

Answer 1

The sum of the measures of the angles of a triangle is
180 degrees.

Let x = our unknown angle

A right angle has measure 90 degrees.

We have x + 90 + 40 = 180 so
x + 130 = 180 and x = 50

Answer 2

The answer is the third angle is 90 degrees