Triangle Angle Analysis: Can 30°, 60°, and 90° Form a Valid Triangle?

Question

Angle A is equal to 30°.
Angle B is equal to 60°.
Angle C is equal to 90°.

Can these angles form a triangle?

00:00 Determine whether these angles form a triangle

00:03 The sum of the angles of a triangle equals 180

00:07 Let's check whether the sum of the angles in the given triangle amounts to 180

00:13 Insert the known values and solve as follows

00:30 The sum of angles equals 180, therefore it is a triangle

00:48 Here is the solution

We must first add the three angles to see if they equal 180 degrees:

$30+60+90=180$

The sum of the angles equals 180, therefore they can form a triangle.

Yes