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Worksheets

Triangles

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.
Given are the lengths of two sides of a triangle. Find the range of lengths for the third side. 10 m, 13 m
a)
more than 3 but less than 23
b)
more than 23 but less than 3
c)
less than 3 but more than 23
2.
In triangle ABC, the length of side AB is 10 inches and the length of side BC is 17 inches.  Which of the following could be the length of side AC?
a)
16 inches
b)
5 inches
c)
32 inches
d)
29 inches
3.

A _____ connects a vertex of a triangle to the mid-point of the opposite side.

a)

Altitude

b)

Median

c)

Opposite side

4.
Which of the following is false? 
a)
A triangle can be drawn with more than one acute angle.
b)
A triangle can be drawn with exactly one acute angle.
c)
A triangle can be drawn with exactly one obtuse angle.
d)
A triangle can be drawn with exaclty one right angle.
5.

If the two angles of a triangle are 50 degree and 70 degree, then the measure of third angle is _____

a)

500

b)

600

c)

700

6.

The sum of the lengths of any two sides of a triangle is ____ than the third side.

a)

greater than

b)

less than

c)

equal to

7.

Select all choices which could be the measure of the sides of a triangle.

a)

3in, 5in, 12in

b)

8ft, 7ft, 1ft

c)

15m, 32m, 18m

d)

5in, 9in, 6in

e)

12km, 6km, ,12km

8.
Segment BH is an example of which of the following?
a)
Perpendicular Bisector 
b)
Altitude
c)
Median
d)
Midsegment
9.
Solve for x THEN find the degrees for angle A.
a)
44o
b)
96o
c)
-14o
d)
63o
10.
Solve for x.
a)
-12
b)
-8
c)
-10
d)
-5
11.

This is . . . (chose two)

a)

an acute triangle

b)

an obtuse triangle

c)

a equilateral triangle

d)

an isosceles triangle

12.

Which step is correct in order to construct a perpendicular bisector of a segment?

a)
b)
c)
d)
13.
Segment AD is ________.
a)
a perpendicular segment
b)
a median 
c)
an angle bisector
d)
an altitude
14.

What is the next step in the construction of a line parallel to line g?

a)

Draw a line from point P that intersects line g

b)

With compass at point A, draw an arc that intersects both sides of the angle

c)

Set the compass radius to the length of BC and draw a small arc from point D that intersects the arc drawn

d)

Draw a line that connects point P to the intersection of the two arcs

15.

Coordinates A(8,6), B(2,-5), and C( -5,1) are connected to form ⧍ABC. If ⧍CDA is congruent to ⧍ABC, what are the coordinates of D?

a)

(1,12)

b)

(2,-1)

c)

(1,8)

d)

(2,7)