Two acute angles in a right triangle add to 90°. If one acute angle is 20°, what is the other?
Note
The two acute angles in a right triangle always add to 90°. Subtract the given angle: 90° − 20° = 70°, so the other angle is 70°.
Two acute angles in a right triangle add to 90°. If one acute angle is 20°, what is the other?
The two acute angles in a right triangle always add to 90°. Subtract the given angle: 90° − 20° = 70°, so the other angle is 70°.