When a triangle's interior angles are in a 1:2:3 ratio, the smallest angle is 30°, the middle angle is 60°, and the largest angle is 90°, making it a right triangle; the shortest side corresponds to the smallest angle, and if the longest side is 18 units, the shortest side is 9 units.
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This SAT Math Geometry is Easy but MOST Gets it Wrong #shorts #satmath本站添加:
A triangle has interior angles with measures in the ratio of what? 1 2 3.
Easy way I'll say well X + 2 X + 3 X It should be 180. X is equal to what? 30.
That's not the angle. That's the scale factor you've been given.
You know, if you have 30-60 rule, well, the smaller side has to be the X then.
The bigger side has to be 2 X. This is 2 X. That means the actual X is 9.
They're asking you the shortest side.
That's 9 cm or 9 units.
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