Canadian Forces Aptitude Test (CFAT) Practice 2025 - Free CFAT Practice Questions and Study Guide

Question: 1 / 400

If a triangle has angles measuring 45, 45, and x degrees, what is the value of x?

45 degrees

90 degrees

In any triangle, the sum of the interior angles is always 180 degrees. To find the value of x in the given triangle with angles measuring 45, 45, and x degrees, you can set up the equation based on the angle sum property:

45 + 45 + x = 180

Combining the known angles gives:

90 + x = 180

To find x, subtract 90 from both sides:

x = 180 - 90

x = 90

Thus, the measurement of angle x in this triangle is 90 degrees. This confirms that the triangle is a right triangle, characterized by one angle measuring 90 degrees, which is consistent with the other two angles being equal and measuring 45 degrees each. This layout corresponds to a special type of triangle known as an isosceles right triangle.

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60 degrees

30 degrees

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