Mathematics · Explorer

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Angles in a triangleRunning
Angle lock. Third angle at 9.6 °. Angles so far 122.6 °, Straight angle 180 °. Currently angles so far is short by 57.4 °.TUNING35°INTERIOR ANGLE LOCK
t = 0.0s

Angles so far

122.6°

Straight angle

180°

9.6 °

Angle lock. Third angle at 9.6 °. Angles so far 122.6 °, Straight angle 180 °. Currently angles so far is short by 57.4 °.

What has to balanceα+β+γ=180°\alpha + \beta + \gamma = 180°

What is happening

You are called to a roof truss being set out on the workshop floor.

Two of the truss angles are cut at 52° and 61°. The third has been marked by eye and the frame will not close.