Triangles Unit Test Review

Angle A measures 95 degrees. Classify the triangle by side.

• right

• isosceles

• scalene

• equilateral

• obtuse

Angle A measures 95 degrees. Classify the triangle by angle.

• right

• isosceles

• acute

• equilangular

• obtuse

Do the side lengths 7, 12, and 19 make a triangle?

• yes, the shorter sides are equal

• no, the shorter sides must be less than 19

• no, the shorter sides must be greater than 19

What is the measure of angles x?

• 55 degrees

• 82 degrees

• 125 degrees

• 43 degrees

"If a triangle is an obtuse triangle, then it is also an isosceles triangle."

Which of the following best describes a counterexample to this statement?

• a right triangle that is isosceles

• an acute triangle that is isosceles

• an obtuse triangle that is isosceles

• an obtuse triangle that is acute

Classify by side.

• isosceles

• equilateral

• acute

• obtuse

• scalene

Classify by angle.

• isosceles

• equilateral

• acute

• obtuse

• scalene

What is the range of values for ED?

What is the range of values for ED?

Right triangles are equilateral.

• Always

• Sometimes

• Never