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Don't be obtuse... You can't.
As you may recall the sum of the interior angles in any triangle is 180 degrees.
The definition of an acute angle is an angle less than 90 degrees.
If only one angle in a triangle is less than 90 degrees, the other two must therefore be 90 degrees or more, and their sum would then be 180 degrees, or more. For the sum of all three to be exactly 180 degrees, the acute angle would have to be 0 degrees or less, and the practical effect of that observation is that it can't exist.
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Can you draw a triangle that has just one acute angle?
no, it is impossible
If one angle in a triangle is acute can the other two angle also be acute?
Yes. In this case a triangle is called an acute triangle.
What is the difference between a right an acute and obtuse triangle?
A right triangle has one angle a right angle (90o) An obtuse triangle has one angle an obtuse angle (> 90o) An acute triangle has all angles acute (< 90o)
How many acute angles does an acute triangle have?
One acute angle
Is it possible to draw a triangle with exactly one obtuse angle?
Yes providing that the other two angles are acute
