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This is what kind of angle?

• acute
• obtuse
• right
• straight

This is what kind of angle?

• obtuse
• right
• straight
• acute

This is what kind of angle?

• right
• acute
• obtuse
• straight

Which set of numbers represents the side lengths of a triangle?

• {5,18,13}

• {6,17,22}

• {16,24,7}

• {26,8,15}

Which side lengths would NOT form a triangle?

• {3,4,5}
• {2,5,9}
• {5,10,12}
• {7,9,11}

If the given side lengths of a triangle are 16 and 10 which one could not be the third side?

• 25

• 22

• 27

• 21

How many degrees make up a triangle?

• 45
• 90
• 60
• 180

side lengths of 4,4,4 form a triangle

• True
• False

Equilateral triangles have sides that are all equal?

• False
• True

A triangle has sides that measure 30 mm and 45 mm. Which set of inequalities represent all possible lengths of the third side of the triangle?

• x > 30 and x < 45

• x > 15 and x < 75

• x < 30 and x > 45

• x < 15 and x > 75