Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

4th Grade Science and Math > Geometry > Flashcards

Geometry Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

What is a ‘point’?

A

a point represents a precise location on a plane

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

What is a ‘line’?

A

a straight path that is endless in both directions

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

What is a ‘line segment’?

A

part of a line that has two endpoints

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

What is a ‘ray’?

A

part of a line that starts at an endpoint and is endless in the other direction

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

What is an ‘angle’?

A

two rays that meet at a common endpoint (vertex)

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

What is an ‘acute angle’?

A

an angle that measures less than 90 degrees

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

What is a ‘right angle’?

A

an angle that measures exactly 90 degrees

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

What is an ‘obtuse angle’?

A

an angle that measures more than 90 degrees, but less than 180 degrees

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

What are ‘parallel lines’?

A

two lines that lie on the same plane and continue the same distance apart, never intersecting

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

What are ‘perpendicular lines’?

A

two lines that intersect at a right angle

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

What are ‘intersecting lines’?

A

lines that share exactly one point

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

What is a ‘benchmark angle”?

A

an angle that is commonly used as a reference

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

What is an ‘isosceles triangle’?

A

a triangle with two equal sides

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

What is an ‘equilateral triangle’?

A

a triangle with all equal sides

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

What is a ‘scalene triangle’?

A

a triangle with no equal sides

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

What is a ‘parallelogram’?

A

a quadrilateral with two pairs of parallel sides

17
Q

What is a ‘right triangle’?

A

a triangle with one right angle

18
Q

What is an ‘obtuse triangle’?

A

a triangle with one obtuse angle

19
Q

What is an ‘acute triangle’?

A

a triangle with all acute angles

20
Q

What is a ‘trapezoid’?

A

a quadrilateral with one pair of parallel sides

21
Q

What is a ‘kite’?

A

a quadrilateral with a pair of congruent sides and perpendicular diagonals

22
Q

What is a ‘rhombus’?

A

a parallelogram with all equal sides

23
Q

What is a ‘rectangle’?

A

a parallelogram with all right angles

24
Q

What is a ‘square’?

A

a parallelogram that has all equal sides and all right angles

25
Q

What is a protractor?

A

a math tool used to measure angles (in degrees)

26
Q

What is a ‘vertex’?

A

a point where two or more lines, line segments, or rays meet

27
Q

What is a ‘polygon’?

A

a closed figure with all straight sides

4th Grade Science and Math (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions