Grade 4 - Progress in Mathematics

Use the figure at the right.

4. At what point does EH



intersect KL



?

5. Name the lines that appear
   to be parallel lines.


6. What kind of angle is
   IBA?


7. Name two pairs
   of perpendicular lines.


8. Is
   FGLacute or obtuse?

Copy these lines on dot paper.

Use these lines for exercises 9–12.

Draw a line segment that:

9. is perpendicular to both 10. is parallel to the green line
   red lines. and intersects the blue line.


10. intersects one red line 12. is perpendicular to the
    but not the other. green line.


11. Are RS



and XY



parallel,

intersecting, or neither?

Explain your answer in

your Math Journal.

A

I

B

J

K

C

L

D

E F G H R S

X

Y

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