Angles Flashcards

0
Q

What is a right angle?

A

A 90* angle

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

What is an acute angle?

A

An angle less than 90*

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

What is an obtuse angle?

A

An angle between 90* and 180*

Draw an obtuse angle

See diagram page 165.

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

What is an straight angle?

A

An angle of 180*

Draw a straight angle

See diagram page 165.

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

What is a reflex angle?

A

An angle between 180* and 360*

Draw a reflex angle.

See diagram page 165.

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

What is a revolution?

A

360*

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

What are adjacent angles?

Hint- arrow shape

A

They have the same vertex and are alongside each other

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

What are complimentary angles?

A

Complementary angles add up to 90*

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

What are supplementary angles?

A

Supplementary angles add up to 180*

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

What do angles around a point add up to?

A

360*

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

In maths terms what does arm mean?

A

A ray of an angle

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

What is a vertex?

A

The point where the two arms of an angle meet

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

What is used to measure angles?

A

A protractor

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

What is a degree?

A

A unit used to measure angles

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

What are vertically opposite angles?

A

The equal angles formed when two straight lines intersect

See diagram on page 165

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

What are parallel lines?

A

Straight lines in the same plane that do not meet

See diagram on page 165

16
Q

What are perpendicular lines?

A

Straight lines that meet at right angles

See diagram on page 165

17
Q

What is a transversal?

A

A line that crosses two or more other lines.

Draw a transversal.

See diagram on page 165

18
Q

What are alternate angles?

A

Angles that are inside straight lines and on opposite sides of a transversal.

See diagram page 165

19
Q

What are cointerior angles?

A

Angles that are inside straight lines and on the same side of a transversal.

See diagram page 165

20
Q

What are corresponding angles?

A

Corresponding angles are equal if the lines are parallel.

See diagram 165