DOL M1T3L1-2 (Triangle Inequality/Sum Theorem)

Which of the following could be the

lengths of the sides of a triangle?

• 2, 11, and 16

• 3.3, 1.2, and 2

• 11, 9, and 20

• 11, 3, and 10

Tags

6.8.A

Determine which of the given set of line

segments could be used to form a unique

triangle.

• 11m, 9m, 20m

• 300mm, 190mm

• 11cm, 12cm, 22cm

• 18mm, 10mm, 29mm

Tags

6.8.A

Which statement is NOT true about triangle DEF?

• Side DE is shorter than the sum of the

  lengths of sides EF and DF.

• Side DF is the shorter than the sum of

  the lengths of sides DE and EF.

• Side EF is shorter than the sum of the

  lengths of sides DE and DF.

• Side DE is longer than the sum of the

  lengths of sides EF and DF.

Tags

6.8.A

Determine whether it is possible to form a

triangle using segments with the given

measurements.

6 cm, 3.1 cm, 9 cm

• Yes

• No

Tags

6.8.A

Determine whether it is possible to form

one unique triangle, many different

triangles, or no triangles using the set of

segments with the given measurements.

11 in., 8 in., 16 in.

• unique

• many

• none

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6.8.A

Which set of measures CANNOT

be angle measures of a triangle?

• 55°, 55°, 71°

• 2°, 2°, 176°

• 11.9°, 19.1°, 149°

• 58°, 63°, 59°

Tags

6.8.A

What is the value of x?

• 45

• 55

• 65

• 75

Tags

6.8.A

List the side lengths from shortest to longest.

• s, r, t

• t, s, r

• r, s, t

• s, t, r

Tags

6.8.A

Jessica drew a triangle labeled

ABC. Angle B measured 150

degrees and angle C measured

17 degrees. What is the

measurement of the missing

angle?

• 12

• 11

• 13

• 15

Tags

6.8.A

In triangle XYZ the measure of angle YXZ is 50°, and the measure of angle XYZ is 75°. What is

the measure of the missing angle in degrees?

Tags

6.8.A