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?

Question

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Part 1
Which term correctly describes the triangle modeled by the boat​ sail?
Right

Answer 1

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.