Question 1

Which of the following could be the lengths of the three sides of a triangle?

Accepted Answer

5 cm, 7 cm, 9 cm

Answer

3 in., 3 in., 7 in.

Answer

1 cm, 2 cm, 3 cm

Answer

4 ft, 8 ft, 12 ft

Question 2

Which set of angle measurements could be the three interior angles that form a triangle?

Accepted Answer

22$^{\circ}$ , 61$^{\circ}$, 97$^{\circ}$

Answer

45$^{\circ}$ , 45$^{\circ}$, 60$^{\circ}$

Answer

39$^{\circ}$ , 42$^{\circ}$, 37$^{\circ}$

Answer

60$^{\circ}$ , 110$^{\circ}$, 30$^{\circ}$

Question 3

Charles claims he can draw a triangle with angle measures of 60°, 130°, and 150°. Which statement about Charles's claim is true?

Accepted Answer

It is impossible to draw such a triangle because a triangle cannot contain 2 obtuse angles.

Answer

It is possible to draw such a triangle because the angles add up to 360°.

Answer

It is impossible to determine if such a triangle can be drawn without more information on the lengths of the triangle's sides.

Answer

It is possible to draw such a triangle because none of the angles are above 180°.

Question 4

Groups of side lengths are given.

Group 1: 12 m, 13 m, and 25 m
Group 2: 14 m, 15 m, and 28 m
Group 3: 16 m, 17 m, and 31 m
Which group(s) can form a triangle?

Accepted Answer

both groups 2 and 3

Answer

only group 2

Answer

both groups 1 and 2

Answer

only group 1

Question 5

Tara draws a triangle with side lengths 3 cm, 5 cm, and 3 cm. What type of triangle is this?

Accepted Answer

isosceles

Answer

equilateral

Answer

scalene

Answer

right

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