Grade 5 Triangles

Inside any triangle the sum of all the angles in degrees is always:

• 360

• 90

• 150

• 180

Name this triangle

• Scalene

• Isosceles

• Equilateral

How many degrees is X?

• 65

• 70

• 90

• 55

Are these shapes congruent?

• Congruent

• Not Congruent

Are these shapes congruent?

• Congruent

• Not Congruent

Leah drew a triangle on a piece of paper. She made one side 5 cm long, another side 4 cm long, and the final side 3 cm long. What kind of triangle did she create?

• Equilateral

• Scalene

• Straight

• Isosceles

Why is the triangle classified as isosceles?

• All angles are the same

• At least two sides are the same length

• No side lengths are the same

• No angles are the same

Which triangle can best be described as an equilateral triangle?

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An EQUILATERAL triangle has ___________.

• 3 equal sides

• 4 equal sides

• no equal sides

• 2 equal sides

A SCALENE triangle has _____________.

• 3 equal sides

• 4 equal sides

• no equal sides

• 2 equal sides