Geometry knowledge Flashcards

1
Q

A 9-sided polygon is called ……

A

nonagon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

A polygon that has two more sides

than a hexagon is called:

A

octagon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A polygon that has four fewer sides

than a decagon is called:

A

hexagon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How many more sides than a pentagon

does a decagon have?

A

5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What do we call a six-sided polygon?

A

hexagon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The angle 89° is:

acute/obtuse/reflex ?

A

acute

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The angle 234° is:

acute/obtuse/straight/reflex

A

reflex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The angle 98° is:

right/straight/acute/obtuse

A

obtuse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

If two acute angles are added together, which of the following is NOT possible for their sum:

acute/obtuse/right/straight

A

straight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How many sides

does an octagon have?

A

8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
A

pentagon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
A

hexagon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
A

octagon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
A

diameter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
A

centre of circle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
A

chord

17
Q
A

radius

18
Q
A
19
Q
A

4

20
Q

What is the name of a

10-sided polygon?

A

decagon

21
Q

A regular heptagon has 9

equal sides and 9 equal angles.

True or False?

A

False

22
Q

A 6-sided polygon is called a sexigon.

True or False?

A

False

23
Q

The diameter of a circle is always smaller than its circumference.

True or False?

A

True

24
Q

The base angles of an isosceles triangle

could each be 94°.

True or False?

A

False

25
Q

Angles of a quadrilateral add up to _ _ _ degrees

A

360°

26
Q

Angles of a triangle

add up to _ _ _ degrees

A

180°

27
Q

Vertically opposite angles are …

A

equal