Properties in Triangles

The longest side of a triangle would be located where on a triangle?

• Across from the smallest angle

• Across from the largest angle

• Cannot tell.

• Adjacent to the smallest side.

Name the angles from LARGEST to SMALLEST

• R, S, T

• S, T, R

• S, R, T

• T, S, R

A triangle has angle measurements of 26°, 59°, and 95°. 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

• Right Isosceles Triangle

• Obtuse Scalene Triangle

• Obtuse Equilateral Triangle

If a triangle has one angle greater than 90° and no equal sides, what type of triangle is it?

• Acute Isosceles

• Acute Scalene

• Obtuse Scalene

• Obtuse Isosceles

Classify this triangle based on its angle measurement.

• Acute

• Right

• Obtuse

Classify this triangle based on its angle measurements.

• Acute

• Right

• Obtuse

Classify this triangle based on the length of its sides.

• Isosceles

• Equilateral

• Scalene

Which statement is true?

• Isosceles triangles have all different internal angles.

• Isosceles triangles have two equal internal angles.

• Isosceles triangles have three equal internal angles.

What kind of triangle is this?

• Acute

• Super

• Right

• Obtuse