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Name__________________________
Date______________________
Geometry and Measurement: Study Guide
Test will be on ____________________________
1. Which is the best estimate of the length of
the eraser?
4. Susie wanted to cut the shape below into new
shapes. She cut along two diagonals. Draw line
segments to show where she may have cut.
2 inches
What new shapes were made by Gloria’s cuts?
4 triangles
2. What is the length of the pencil below to the
nearest half inch?
5. Sean cut this parallelogram on the dashed
line.
He rearranged the pieces to make a new shape.
What shape could he have made?
rectangle
3 1/2 inches
3. Start with this hexagon. Make a pentagon.
6. Which shows a pair of congruent shapes?
a.
b.
c.
d.
(answers may vary)
7. How many squares in all are in this design?
3 sides (made of line segments)
5 squares
3 angles
3 vertices
8. Is the letter below symmetric? If so, how
many lines of symmetry does this letter have?
1 lines of symmetry
12. Next to each angle, write the angle measure
(less than 90 degrees, 90 degrees, or more than
90 degrees) and the angle name (acute, right,
obtuse).
a.
measure:
90 degrees
name:
right angle
9. Is a square symmetrical? If so, draw the
lines of symmetry on the square.
b.
measure:
more than 90 degrees
name:
obtuse angle
c.
10. What are the properties of a polygon?
measure:
less than 90 degrees
name:
acute angle
two-dimensional
made of line segments
closed figure
13. Below is a picture of a pentagon. Each side
is 9 inches long. What is the perimeter of the
pentagon?
45 inches
11. What are the properties of a triangle?
14. Describe the following triangles.
equilateral:
all sides equal length
18. What is the perimeter of the rectangle
below.
11 inches
isosceles:
two sides equal length
3 inches
scalene:
no sides have equal lengths;
all sides are different lengths
28 inches
19. Name the following polygons based on their
sides:
15. What are the three properties of a
quadrilateral?
4 sides
4 angles
4 vertices
a. 3 sides triangle
b. 4 sides quadrilateral
c. 5 sides pentagon
d. 6 sides hexagon
16. Describe a square:
all 4 sides are equal lengths
all 4 angles are right angles (90 degrees)
17. Describe a rectangle:
opposite sides are equal lengths
all 4 angles are right angles
e. 8 sides octagon
f. 10 sides decagon