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Yes a 90- 60-30 triangle for example because there are 180 degrees in a triangle.

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Q: Can a right triangle have two angles that measure 90 degrees?
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How do you classify a triangle by its angles?

If all three angles of a triangle measure less that 90 degrees (if all three angles are acute), the triangle is an acute triangle. A triangle that has a right angle (an angle the measures exactly 90 degrees) is a right triangle. (The other 2 angles will be acute angles.) A triangle that has an angle that is greater than 90 degrees (an obtuse angle), is an obtuse triangle. (The other 2 angles will be acute angles.)


What is the measure of the third angle of a right triangle if one of the angles measures 50 degrees?

The other acute angle in that triangle is 40 degrees.


If two of a triangle's angles measure 42 degrees and 48 degrees how would you classify that triangle?

It's important to remember that a triangle's angles will always total 180 degrees. 180 - 42 - 48 = 90. The last angle is 90 degrees, so this is a right triangle.


What are the angles of a right isosceles triangle?

The two other angles are 45 degrees each. The three angles of every triangle always add up to 180 degrees. -- A right triangle is a triangle that has a right angle in it. -- A right angle is 90 degrees. -- That leaves 90 degrees for the other two angles in the right triangle. -- If it happens to be isosceles, then the other two angles are equal. -- Those must both be 45 degrees.


Can a right triangle have two angles that measure 38 and 54?

No. The angles of a triangle always add up to exactly 180 degrees. A right triangle must have one right angle, i.e. an angle of 90 degrees. That leaves 90 degrees for the other two angles. 38 and 54 add up to 92 degrees, so they can't co-exist with the 90-degree angle in a right triangle.