Arithmeticeasy · Past Paper
The ratio of the angles of a triangle is 1:2:3. What is the measure of the smallest angle?
A30 deg
B60 deg
C90 deg
D45 deg
✓ Correct Answer: A — 30 deg
Total = 1+2+3 = 6 units. 6 units = 180, so 1 unit = 30 degrees.
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