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Worksheets

Everything Triangles

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

Find x

a)

60

b)

48

c)

30

d)

28

2.

Find x

a)

90

b)

45

c)

22

d)

35

3.

What are the different parts of an isosceles triangle?

a)

1 leg, 2 vertex angles, 1 base, and 2 base angle

b)

1 leg, 2 vertex angles, 2 bases, and 1 base angle

c)

2 legs, 1 vertex angle, 1 base, and 2 base angles

d)

2 legs, 1 vertex angle, 2 bases, and 1 base angle

4.
a)

It should be ∠A ≅∠B\angle A\ \cong\angle B

b)

It should be ∠B≅∠C\angle B\cong\angle C

c)

It should be AC‾≅BC‾\overline{AC}\cong\overline{BC}

d)

Claudia drew the diagram correctly.

5.

What is point J called?

a)

centroid

b)

incenter

c)

circumcenter

d)

orthocenter

6.

T is the centroid, if TL=5, VL=?

a)

10

b)

15

c)

2.5

d)

5

7.

The figure is an example of a(n) ...

a)

angle bisector

b)

midsegment

c)

altitude

d)

median

8.

What type of special segment is shown?

a)

Angle Bisector

b)

Altitude

c)

Median

d)

Perpendicular Bisector

9.

If AG = 2x + 21 and RE = x + 10.5, 
what is NG?

a)

16

b)

8

c)

26.5

d)

10.5

10.

The figure is an example of a(n) ...

a)

altitude 

b)

perpendicular bisector

c)

midsegment

d)

angle bisector

11.

What is the length of the Midsegment?

a)

6

b)

9

c)

12

d)

18

12.

Does a triangle with these side lengths exist?
15, 12, 9

a)

Yes

b)

No

c)

I don't know.

13.

Do the following side lengths form a triangle?
2 inches, 2 inches, 4 inches

a)

Yes

b)

No

14.

Can a triangle be formed with sides of

6, 9, and 11?

a)

Yes

b)

No

15.

13. Which line is an altitude?

a)

XY

b)

BY

c)

AZ

d)

XC