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Such a triangle would presumably have one right angle, and two acute angles. A right angle
has a measure of 90 degrees; an acute angle has a measure of less than 90 degrees.
Since both of the other two angles in a right triangle must be acute angles, you'd think
at first that every right triangle must be a right acute triangle.
But when you go and look up the definition of an "acute triangle", it turns out to be
a triangle in which all three angles are acute. So the fact is that there's no such thing
as a right acute triangle, because the 90-degree angle in a right triangle is not acute.
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How does an 145 degrees triangle look like?
It can be an obtuse triangle with 2 different acute angles or it can be an isosceles triangle with 2 equal base angles of 17.5 degrees
Show you a picture of a trapezium with 2 right angles?
Cannot show a picture, but visualise a right angled triangle. Then imagine one of the [acute] vertices chopped off by a line parallel to the opposite side. You will then have a trapezium with two right angles. Very crudely, it should look like the figure below: ---\ |__\
What does a right triangle look like?
Draw a capital "L." Connect the two ends with a straight line.
What does less than a right angle look like?
It is an acute angle that is greater than 0 but less than 90 degrees
How does an irregular triangle look like?
It is a triangle where all no side is equal in length or angle.
