Quadrilaterals
Lines
Lines of Symmetry
Angles
Triangles
100
What is a line of symmetry in your own words?
ex. A line that when you fold over it, both sides sit right on top of each other
100
What is the measurement of an acute angle, obtuse angle, and a right angle?
acute- less than 90 degrees
obtuse- more than 90 degrees
right- 90 degrees
200
Ms. Tan said these lines are perpendicular lines? Is she correct or incorrect? Why?
Incorrect because the lines didn't create right angles
200
Sara needs to draw all of the lines of symmetry through the rectangle. Is she right to say there are 4 lines of symmetry?
No, there are only 2
200
Which figures appear to have right angles?
Figure 2
200
Which statement is correct?
A. A right triangle has one obtuse angle.
B. A right triangle has two acute angles.
C. An obtuse triangle has two obtuse angles.
D. An acute triangle has one obtuse angle.
B
300
Describe a RHOMBUS. (Hint- there are 3 things about them)
all equal sides, no right angles... and they are parallelograms!
300
Look at the pairs of lines below. How many of these pairs of lines are perpendicular lines?
2
300
Stephanie found a pattern block that has exactly 3 lines of symmetry. Which pattern block is it?
D
300
The time is 3 o’clock. What is the measurement of this angle?
90 degrees
300
How many of the triangles appear to be acute triangles?
3
400
What do a square, a rhombus, and a trapezoid have in common?
Each has four sides
400
Which figure represents ray AB?
A
400
Which shape or shapes have at least one line of symmetry?
star and octagon
400
Timothy measured angles POR, POQ, and QOR with the protractor shown.
What is the measure of <POQ?
50 DEGREES
500
Which statement about parallel lines is true? 4.6A
Parallel lines intersect to form a right angle.
Parallel lines are intersecting lines.
Parallel lines run in the same direction and meet at one point.
Parallel lines run in the same direction and never meet.
4
500
The measure of angle CBD is 180°. If the measure of angle ABD is 120°, what is the measure of angle ABC?
60 degrees