Geometry knowledge

Question 1

A 9-sided polygon is called ……

Answer 1

nonagon

Question 2

A polygon that has two more sides

than a hexagon is called:

Answer 2

octagon

Question 3

A polygon that has four fewer sides

than a decagon is called:

Answer 3

hexagon

Question 4

How many more sides than a pentagon

does a decagon have?

Answer 4

5

Question 5

What do we call a six-sided polygon?

Answer 5

hexagon

Question 6

The angle 89° is:

acute/obtuse/reflex ?

Answer 6

acute

Question 7

The angle 234° is:

acute/obtuse/straight/reflex

Answer 7

reflex

Question 8

The angle 98° is:

right/straight/acute/obtuse

Answer 8

obtuse

Question 9

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

acute/obtuse/right/straight

Answer 9

straight

Question 10

How many sides

does an octagon have?

Answer 10

8

Question 11

Answer 11

pentagon

Question 12

Answer 12

hexagon

Question 13

Answer 13

octagon

Question 14

Answer 14

diameter

Question 15

Answer 15

centre of circle

Question 16

Answer 16

chord

Question 17

Answer 17

radius

Question 19

Answer 19

4

Question 20

What is the name of a

10-sided polygon?

Answer 20

decagon

Question 21

A regular heptagon has 9

equal sides and 9 equal angles.

True or False?

Answer 21

False

Question 22

A 6-sided polygon is called a sexigon.

True or False?

Answer 22

False

Question 23

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

True or False?

Answer 23

True

Question 24

The base angles of an isosceles triangle

could each be 94°.

True or False?

Answer 24

False

Question 25

Angles of a quadrilateral add up to _ _ _ degrees

Answer 25

360°

Question 26

Angles of a triangle

add up to _ _ _ degrees

Answer 26

180°

Question 27

Vertically opposite angles are …

Answer 27

equal