Challenge:
The ratio of three sides of a triangle is 1:2:3. What is the smallest angle?
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The correct answer is 30 degree.
There is the same ratio for the angels. Therefore, the ratio of three angles of the triangle is also 1:2:3.
Let X be the smallest angle. Then, the next two angels are 2X and 3X.
X + 2X + 3X = 180 → 6X = 180 → X = 30
The smallest angel is 30 degree.
Reza is an experienced Math instructor and a test-prep expert who has been tutoring students since 2008. He has helped many students raise their standardized test scores--and attend the colleges of their dreams. He works with students individually and in group settings, he tutors both live and online Math courses and the Math portion of standardized tests. He provides an individualized custom learning plan and the personalized attention that makes a difference in how students view math.
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