Lines and Triangles Math

• line segment

• line

• ray

• angle

A sign is in the shape of an acute triangle. Which of the following could be the shape of the sign?

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Janelle made a flag in the shape of a right triangle. Which of the triangles could be Janelle’s flag?

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• right angle

• straight angle

• acute angle

• obtuse angle

Which words best describe this triangle?

• Right

• Acute

• Obtuse

• Isosceles

• Scalene

The height of this triangle is twice its width. How tall is this triangle?

• 6 cm

• 36 cm

• 20 cm

• 12 cm

What shape is this

• Scalene Triangle

• Octagon

• Isosceles Triangle

• Equilateral Triangle

What shape is this?

• Square

• Scalene Triangle

• Isosceles Triangle

• Equilateral Triangle

• Triangle Vertex

• Triangle Side