Verify the angle sum property for the following groups of angles.
(a) 30°, 90°, 60°
(d) 40°, 80°,
60°
(b) 65°, 35°, 90°
(e) 25°, 120°, 45°
Bolitur,
triang
(c) 80°, 75°, 35°
(A 50° 60°
10°
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