SATMath

If the angles of a triangle are in ratio 1:2:3, find the largest angle:

A30°
B60°
C90°CORRECT
D120°
AI
Toaster Teacher
Why the answer is C, and why the others tempt you.
Sum = 180°. Parts: x + 2x + 3x = 6x = 180 → x = 30°. Largest = 3x = 90°.
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