A boat sail is triangular. The measure of one angle of the triangle is °. The measure of another angle of the triangle is °. The measures of all three angles have a sum of 180. Which term correctly describes the triangle modeled by the boat sail?
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Part 1
Which term correctly describes the triangle modeled by the boat sail?
Right
No, a right triangle has one angle that measures 90 degrees.
Acute
No, an acute triangle has all angles that measure less than 90 degrees.
Obtuse
No, an obtuse triangle has one angle that measures more than 90 degrees.
Scalene
No, a scalene triangle has all three sides of different lengths.
Isosceles
No, an isosceles triangle has two sides of equal length and two angles of equal measure.
The correct term is:
Triangle with one angle measuring 90 degrees and two angles measuring less than 90 degrees, also known as a right-angled triangle or a right triangle.