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Mr. Tchad's 2D Geometry Vocabulary

Total questions: 15

Worksheet time: 45mins

Name
Class
Date
1.

What is a polygon?

a)

An exotic lizard

b)

A 2-dimensional shape

c)

A 3-dimensional shape

d)

Only shapes with sides that are all equal

2.

These are all polygons, however, only select the regular polygons.

a)
b)
c)
d)
3.

Select what is true about regular polygons:

a)

All interior angles are congruent.

b)

All side-lengths are congruent.

c)

They must be concave.

d)

They must be convex.

4.

What is a concave polygon?

a)

All the interior angles are congruent

b)

There is at least 1 interior reflex angle

c)

There are at least 6 vertices

d)

There are no "dents"

5.

Select the concave polygons

a)
b)
c)
d)
6.

What were the two characteristics a polygon can have that was discussed in the class or in the video?

a)

Polygons can be concave or convex and normal or abnormal

b)

Polygons can be tropical or come from the arctic

c)

Polygons can be regular or irregular and concave or convex

d)

Polygons can be regular or irregular and smooth or with dents

7.

Choose the correct description for this polygon.

a)

Irregular and convex

b)

Irregular and concave

c)

Regular and concave

d)

Regular and convex

8.

Choose the correct description for this polygon.

a)

Irregular and convex

b)

Irregular and concave

c)

Regular and concave

d)

Regular and convex

9.

Which letter represents the interior reflex angle?

a)

A

b)

B

c)

C

d)

D

e)

E

10.

For the same polygon, give me the two characteristics that can describe this polygon. "___ and ___" (Must be spelled correctly)

(a)  

11.

I'm a polygon with 6 vertices, what am I? (Must be spelled correctly)

(a)  

12.

What is the name of the line labelled 'a'? (Must be spelled correctly)

(a)  

13.

The radius of a regular polygon stretches from what to what?

a)

From one vertex to an adjacent vertex

b)

From the center of the polygon to the base at a 90º angle

c)

From the center of the polygon to any vertex

d)

To infinite and beyond

14.

The apothem of a polygon makes contact with the any side length at a (a)   º angle.

15.

Bonus* What type of angle is this?

a)

Acute

b)

Obtuse

c)

Right

d)

Straight

e)

Reflex