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WorksheetsTriangles ,grade 7
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
The Triangle Sum Theorem states that the sum of all angles in a triangle is ______.
a)
45°
b)
90°
c)
180°
d)
360°
2.
Solve for x.
a)
16
b)
11
c)
50
d)
6
3.
What is the measure of angle b?
a)
36o
b)
56o
c)
63o
d)
117o
4.
Solve for x.
a)
-11
b)
9
c)
-9
d)
10
5.
Solve for x.
a)
5
b)
12
c)
-7
d)
-6
6.
m∠ECD =__________
a)
139 degrees
b)
41 degrees
c)
120 degrees
d)
79 degrees
7.
The figure is an example of a(n) ...
a)
angle bisector
b)
midsegment
c)
altitude
d)
median
8.
Which of the following describes a median of a triangle?
a)
A segment that is perpendicular to the side of a triangle at its midpoint.
b)
A segment with endpoints at the vertex and midpoint of the opposite side.
c)
A segment that connects two midpoints of two sides.
d)
A segment that connects the vertex and the opposite side at 90 degrees.
9.
Which of the following words describes the point shown in the figure?
a)
A. Centerpoint
b)
B. Orthocenter
c)
C. Centroid
d)
D. Midpoint
10.
10. What type of lines are shown
a)
perpendicular bisectors
b)
medians
c)
altitudes
d)
angle bisectors
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