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GB-28-01-001 · Triangle angles

Two angles of a triangle are 54° and 48°. Work out the third angle.

Angle Facts: Angles in a Triangle Booklet p. 73
Method
Triangle — all angles add up to 180° (a + b + c = 180°)
Worked Example (GB-28-01-001)
1)
Angles in a triangle sum to 180°.
2)
78°
Ans = 78°