2D Geometry

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What is the name of this kind of triangle?

• Right
• Scalene
• Isosceles
• Equilateral

What kind of triangle is this?

• Acute

• Right

• Obtuse

An angle that measures greater than 90° but less than 180°

• Right
• Straight
• Obtuse
• Acute

This is what kind of angle?

• obtuse
• right
• straight
• acute

Name this triangle.

• acute triangle
• right triangle
• straight triangle
• obtuse triangle

What is the sum of the angles inside a triangle?

• 90
• 180
• 360

This is . . .

• a scalene triangle

• an obtuse triangle

• an equilateral triangle

• a right triangle

This is . . . (chose two)

• a scalene triangle

• an obtuse triangle

• an equilateral triangle

• an acute triangle

This is . . . (select two)

• a right triangle

• an acute triangle

• an isosceles triangle

• a scalene triangle

Find the isosceles right triangle.

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