and 
find 
OR
One of the three angles of a triangle is twice the smallest and another is three times the smallest. Find the angles.
Answer:
In figure, as 
[given]
[corresponding angles] (1)
As 
[given]
[co interior angles] (1/2)
(1/2)
OR
Let the smallest angle be 
Then, the other two angles will be 
and 
(1/2)
[sum of three angles of triangle is 
](1/2)
(1/2)
The three angles are 30°,60° and 90°. (1/2)
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