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Geometry: Interior and Exterior Angle Sums Again

Authored by Melanie Elaine Hastings

Mathematics

9th Grade

Used 15+ times

Geometry: Interior and Exterior Angle Sums Again
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9 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The sum of the exterior angles in a hexagon

360
180
720
540

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a polygon called if the sum of its interior angles equals 1440° ?

Octogon
Nonagon
Decagon
Dodecagon

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Find the value of X.

60
120
85
55

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the number of sides of a polygon with one exterior angle measuring 6⁰.

60
30
20
10

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the formula for the sum of the interior angles of a polygon?

S = (n-2)
S = (n-2) 180
S = 360 / n
S = (n-2) 360

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The sum of the interior angles in a polygon is 3,240o.  How many sides are in the polygon?

10
582,840
18
20

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the sum of the interior of angles in a 12-gon

1800
1080
1620
1260

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