Angle Sum Polygons

Angle Sum Polygons

8th Grade

14 Qs

quiz-placeholder

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Angle Sum Polygons

Angle Sum Polygons

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

CCSS
HSG.C.A.3, 8.G.A.5, 3.MD.D.8

Standards-aligned

Created by

Anthony Clark

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solve for the missing angle

315 degrees

60 degrees

90 degrees

95 degrees

Tags

CCSS.HSG.C.A.3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solve for the missing angle

65 degrees

360 degrees

98 degrees

180 degrees

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solve for the missing angle

70 degrees

90 degrees

86 degrees

92 degrees

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solve for the missing angle

21 degrees

60 degrees

120 degrees

39 degrees

Answer explanation

  1. Solve for the missing angle in the bottom triangle to see it is 120 degrees.
  2. Remember the second missing angle in the top triangle is vertical to the 120 degree angle so it also is 120 degrees.
  3. Subtract: 180-120-39=21

Tags

CCSS.8.G.A.5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the sum of the interior angles for a 24-gon?

3960

360

15

4280

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solve for x. 

12

10

25

5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the sum of all angles?

144

1800

1440

12

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