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Lines, Angles and Triangles

Total questions: 60

Worksheet time: 1hrs 13mins

Name
Class
Date
1.

What is the name of this ray? (a)  

Choose from the below words
Ray AB
Ray BA
Ray ABC
Ray AC
2.
What is an angle?
a)
A straight set of two points that go on forever on each side
b)
A part of a line with end points on both sides
c)
Two rays with the same end point, forming a vertex
3.

What kind of intersecting lines are these?

a)

Parallel Lines

b)

Perpendicular Lines

c)

Right Lines

d)

Scalene Lines

4.

What kind of lines are these?

a)

Parallel Lines

b)

Perpendicular Lines

c)

Right Lines

d)

Scalene Lines

5.

What point do these perpendicular lines intersect at?

a)

O

b)

Q

c)

P

d)

4

6.
What is a line?
a)
A straight set of points that goes on forever in both directions
b)
A curved set of points that goes on forever in both directions
c)
A straight set of points that goes on forever in one direction only
d)
A straight set of points that does not go on forever in either direction
7.

What kind of lines intersect to make a right angle?

a)

parallel

b)

line segment

c)

perpendicular

d)

right angle

8.

What type of angle is this?

a)

Acute

b)

Obtuse

c)

Right

d)

Caboose

9.

What type of angle is this?

a)

Acute

b)

Obtuse

c)

Right

d)

Caboose

10.

What type of angle is this?

a)

Acute

b)

Obtuse

c)

Right

d)

Caboose

11.
How many right angles in the diagram?
a)
2
b)
4
c)
6
d)
8
12.

Which road appears to be perpendicular to 1st Street?

a)

2nd Street

b)

3rd Street

c)

4th Street

d)

Center Street

13.

What is the name of this kind of triangle?

a)

Right

b)

Isosceles

c)

Scalene

d)

Equilateral

14.

A 90 degree angle is a . . .

a)

acute angle

b)

right angle

c)

straight angle

d)

obtuse angle

15.
A dot on a number line is called a _______________.
a)
line
b)
point
c)
ray
d)
line segment
16.

What type of triangle is this?

a)

Right

b)

Obtuse

c)

acute

17.

What type of triangle is this?

a)

right

b)

acute

c)

obtuse

18.

xy‾\overline{xy}  

What best describes the figure above?

a)

ray XY

b)

line  XY

c)

line segment XY

d)

angle XY

19.

xy→\overrightarrow{xy}  

What best describes the figure above?

a)

Line XY

b)

Line YX

c)

Ray XY

d)

Ray YX

20.

⋅\cdot  

What word describes the figure above?

a)

ray

b)

line

c)

point

d)

segment

21.

What type of angle is <AGD?

a)

right

b)

obtuse

c)

straight

d)

acute

22.

Which of the following statements is true?

a)

line EF ∥\parallel line GH

b)

line GH ∥\parallel line AB

c)

line CD ⊥\perp line EF

d)

line GH ⊥\perp line AB

23.

What word best describes this figure?

a)

line

b)

ray

c)

intersecting

d)

line segment

24.

Classify this angle.

a)

Straight angle

b)

Supplementary angles

c)

Acute angle

d)

Obtuse angle

25.

Classify this angle.

a)

Acute angle

b)

Right angle

c)

Complementary angles

d)

Obtuse angle

26.

What type of angle is shown?

a)

Acute

b)

Obtuse

c)

Right

d)

Straight

27.
An angle that is less than 90o.
a)
right
b)
acute
c)
obtuse
d)
straight
28.

Draw an obtuse angle.

29.

Draw a right angle.

30.

Draw an acute angle.

31.

True or False:

If all of the triangle sides are different lengths, the triangle is an isosceles triangle.

a)

True

b)

False

32.

What are the two ways to classify triangles?

a)

By the angles and number of sides

b)

By the angles and side lengths

c)

By the side lengths and the size of the triangle

d)

By the angles and the how many points

33.

What are the three ways to classify triangles by their sides?

a)

equilateral, right, isosceles

b)

scalene, obtuse, right

c)

equilateral, isosceles, scalene

d)

acute, right, isosceles

34.

What type of triangle is this?

a)

Equilateral

b)

Isosceles

c)

Scalene

35.

What type of triangle is this?

a)

Scalene

b)

Isosceles

c)

Equilateral

36.

Which type of triangle is pictured?

a)

Equilateral

b)

Isosceles

c)

Scalene

37.

.

.

.

.

What is the name of this kind of triangle?

a)

Equilateral

b)

Scalene

c)

Isosceles

38.

Name this triangle by the side length

a)

scalene

b)

isosceles

c)

equilateral

d)

right

39.

Match the following triangles with their side classification.

a)
1.

Equilateral Triangle

b)
2.

Scalene Triangle

c)
3.

Isosceles Triangle

40.

Match the following triangles with their angle classification.

a)
1.

Right Triangle

b)
2.

Acute Triangle

c)
3.

Obtuse Triangle

41.
An angle that measures 76o.
a)
right
b)
acute
c)
obtuse
d)
straight
42.
An angle that measures 133o.
a)
right
b)
acute
c)
obtuse
d)
straight
43.
An angle that measures 12o.
a)
right
b)
acute
c)
obtuse
d)
straight
44.
Which would be the best classification for the triangle shown?
a)
right isosceles
b)
obtuse scalene
c)
obtuse isosceles
d)
right scalene
45.
Which would be the best classification for the triangle shown?
a)

right isosceles

b)

obtuse scalene

c)

obtuse isosceles

d)

acute scalene

46.

Identify the triangle by its sides and angles

a)

Right Isosceles

b)

Right Scalene

c)

Right Equilateral

47.

Identify the triangle by its sides and angles

a)

Acute Equilateral

b)

Right Equilateral

c)

Acute Isosceles

d)

Obtuse Isosceles

48.

Classify each triangle by its angles and sides.

a)

Acute, Isosceles

b)

Obtuse, Isosceles

c)

Right, Scalene

d)

Acute, Scalene

49.

Identify the triangle by its sides and angles

a)

Right Scalene

b)

Obtuse Equilateral

c)

Acute Equilateral

d)

Acute Isosceles

50.
Look at the triangle pictured. 
What do the lines (sticks) mean on a shape?
a)

The lines (sticks) show sides that are equal

b)

The lines (sticks) show sides that are not equal

51.
Which figure shows a set of perpendicular lines?
a)
Figure 1
b)
Figure 2
c)
Figure 3
d)
Figure 4
52.
a)

Parallel

b)

Perpendicular

c)

Intersecting

d)

perpendicular and intersecting lines

53.

a)

Parallel

b)

Perpendicular

c)

Intersecting

d)

perpendicular and intersecting lines

54.

a)

Parallel

b)

Perpendicular

c)

Intersecting

d)

perpendicular and intersecting lines

55.
What type of line does the picture represent?
a)
Parallel
b)
Intersecting
c)
Perpendicular
56.
What type of line does the picture represent?
a)
Parallel
b)
Intersecting
c)
Perpendicular
57.
What type of line does the picture represent?
a)
Parallel 
b)
Intersecting
c)
Perpendicular
58.
What type of line does the picture represent? 
a)
Parallel
b)
Intersecting
c)
Perpendicular
59.
What type of line does the picture represent?
a)
Parallel
b)
Intersecting
c)
Perpendicular
60.
What type of line does the picture represent?
a)
Parallel
b)
Intersecting
c)
Perpendicular

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