Name Triangles by Their Angle

Which type of triangle is pictured?

• Equilateral Triangle

• Right Isosceles Triangle

• Obtuse Scalene Triangle

• Obtuse Equilateral Triangle

Name the sides from SMALLEST to LARGEST

• RS, ST, TR

• ST, RT, RS

• RT, ST, RS

• RT, RS, ST

This is . . .

• an acute triangle

• an obtuse triangle

• a right triangle

• an equilateral triangle

What is the correct term if the triangle has one 90 degree angle?

• scalene

• acute

• obtuse

• right

What type of triangle is this?

• Right Triangle

• Acute Triangle

• Obtuse Triangle

• acute

• obtuse

• right

What type of triangle is this?

• Acute

• Right

• Isosceles

• Obtuse

What other name can be given to this right triangle?

• Equilateral

• Isosceles

• Scalene

• Acute

• Obtuse

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

Name these triangles for their angles.

• acute

• right

• obtuse