30Angle sum of a triangle
Two angles of a triangle are 48° and 67°. Find the third angle.
The third angle is 65°. Since a triangle's angles always sum to 180°, you subtract the two given angles: 180 − 48 − 67 = 65°. Check: 48 + 67 + 65 = 180° ✓.
Two angles of a triangle are 48° and 67°. Find the third angle.
The third angle is 65°. Since a triangle's angles always sum to 180°, you subtract the two given angles: 180 − 48 − 67 = 65°. Check: 48 + 67 + 65 = 180° ✓.