Download Pre: Post test Geometry Grade 8

Post test
Geometry Unit Grade 8
10/2011!
1. Create a congruent triangle to the one given and explain what makes it congruent.
2. Create a similar rectangle to the one given and explain what makes it similar.
3. Given triangle A in quadrant 1, give coordinates if the triangle is: (use graph paper)
a. rotated 90 degrees for itʼs original placement about angle A
b. reflected about the x axis
c. dilated with a factor of 2
d. translated to the left two spaces
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Post test
Geometry Unit Grade 8
10/2011!
4. Label the parts of the triangle. What kind of triangle is this? How do you know?
Where we will always find c?
5. Using our two-column notes format find side c using the Pythagorean Theorem if
a = 5 cm and b = 4.5 cm. You may round your answer to the nearest hundredths place.
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6. Find the volume of the cone if
the height is 4 feet and the
radius of the circle is 3 feet.
"""""""4 ft
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Post test
Geometry Unit Grade 8
10/2011!
7. Given two parallel lines “m” and “n” intersected by a transversal “z”, label the angles
created by the intersecting lines a,b,c,d,e,f,g and h as outlined on the board.
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If angle a measures 97 degrees, find the measure of all other angles. Justify each of
your answers.
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MEASURE" "
97 degrees" "
JUSTIFICATION
given
b
c
d
e
f
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h
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Post test
Geometry Unit Grade 8
10/2011!
8. Identify the angles from problem 7 that go with the following types of angles. Use
math language to describe the types of angle pairs and code the angles to describe
angles that are congruent.
Vertical angles:
Alternate interior angles:
Alternate exterior angles:
Corresponding angles:
9. Define and illustrate what it means to be complimentary angles and supplementary
angles.
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Post test
Geometry Unit Grade 8
10/2011!
10. Solve the following word problem;
Scott wants to swim across a river that is 400 meters wide. His goal is
to swim directly across from one shore to the other shore but ends up
100 meters down river from where he started because of the current.
How far did he swim.
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My Thinking
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