
Shapes A, B, and E have MORE than 2 lines of symmetry.
A-6, B-3, C-2, D-1, E-4
Find the missing angle measurement.

Missing angle = 95 degrees
How many sides does a quadrilateral have?
4
What type of angle is this angle?

Obtuse
How many lines of symmetry does an equilateral triangle have?

An equilateral triangle has 3 lines of symmetry.
How many lines of symmetry does the image below have?

2

How many degrees is a straight angle?
180
Which quadrilateral has 2 pair of parallel lines and no right angles?
rhombus or parallelogram
True or False:
A rectangle can be a square but a square cannot be a rectangle.
WHY?
FALSE.
A rectangle is a 4 sided shape with 4 right angles but a square's sides are all the same size.

Drawing A has 4 line segments.
B- 4 rays
C- 4 lines
D- 4 points
What do we call this?

Ray
Definite beginning.
Line goes on forever in the other direction.

Shape B has ONLY obtuse angles.
What type of triangle is this?
Equilateral, Scalene, or Isosceles?
Explain your reasoning.

Scalene Triangle
It has 3 different side lengths.
True or False: Parallel lines cross each other
False

What is the angle shown?
60 Degrees
D


Which shapes have at least one pair of parallel sides? Choose all the correct answers.
Shapes A and E have at least one pair of parallel sides.

What is the measure of the angle shown? How do you know?
The measure of the angle is 60.
Each space between the lines is 1 degree. There are 6 spaces.
I am two lines that cross in the middle. (not necessarily at a 90 degree angle)
Intersecting lines

What is the measure of this angle?
1350

The sprinkler can turn another 1450.
A polygon with 3 equal sides and 3 acute angles?
acute equilateral triangle
Describe a isosceles triangle and draw a picture.
Two side lengths have the same measurements.
One side is shorter.

What are line segments that intersect at an angle of 90 degrees?
Perpendicular lines
The point shared by two sides of an angle, polygon, or edges of a figure.
Vertex