Triangles Temp. Check

Match the following terms with their definitions:

• A triangle that has exactly one 90 degree angle

• Acute Triangle

• A triangle with one angle that is greater then 90 degrees.

• Right Triangle

• A triangle with three equal side lengths

• Obtuse Triangle

• A triangle with two equal length sides

• Equilateral Triangle

• A Triangle with three acute angles

• Isosceles Triangle

Classify the triangle by angles and sides.

• Obtuse Scalene
• Obtuse Isosceles
• Right Scalene
• Acute Isosceles

Classify the triangle by angles and sides.

• Equiangular Equilateral
• Right Isosceles
• Right Scalene
• Acute Isosceles

Classify by sides

• Right
• Isosceles
• scalene
• equilateral

What type of angle is this?

• Acute
• Right
• Obtuse
• Straight

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What is the name of this kind of triangle?

• Right
• Isosceles
• Scalene
• Equilateral

A triangle has angle measurements of 54°, 52°, and 74°. What kind of triangle is it according to it's angles?

• acute triangle
• Scalene

• obtuse triangle
• Equilateral

A triangle has angle measurements of 74°, 90°, and 16°. What kind of triangle is it?

• acute triangle
• right triangle
• obtuse triangle
• none of the above

Look at the sides and angles of this triangle. Which type of triangle is pictured?

• Equilateral Triangle
• Scalene Triangle
• Isosceles Triangle
• Right Triangle

Without using a protractor, find the measure of X.

• 62 degrees

• 80 degrees

• 32 degrees

• 78 degrees