How to find an angle in a right triangle
Help Questions
GRE Quantitative Reasoning › How to find an angle in a right triangle
Questions 1 - 1
1
A triangle has three internal angles of 75, 60, and x. What is x?
45
60
75
90
110
Explanation
The internal angles of a triangle must add up to 180. 180 - 75 -60= 45.