How many sides/angles does a quadrilateral have?
4
Two lines that never cross (touch) are called ______________.
Parallel Lines
What type of angle is this angle?
Obtuse
How many degrees are in a triangle?
180 degrees
What is the supplementary angle pair to 60 degrees?
120 degrees
What is a triangle with 3 EQUAL sides is called?
Equilateral Triangle
What is a polygon with 8 sides called?
octagon
What is the name of the polygn with 7 sides called?
heptagon
True or False: A square has to have all right angles
True
Supplementary angles equal what?
180 degrees
True or False? A rhombus has to have all equal sides
True
What is a triangle classified as when it has 2 sides of equal length?
What is the measure of each angle of an equilateral triangle?
60 degress
What kind of angle is this?
right angle
What is the complementary angle pair to an angle that measures 40 degrees?
50 degrees
A square has one side that is 12 cm long. What is the PERIMETER of the square? What is the AREA?
Remember: You will have two answers- perimeter and area.
Perimeter- 48 cm
Area- 144 sq cm
If a triangle has angle measures of 110 and 35 degrees, what would the measure of the third angle have to be?
35 degrees
What would be the properties of a scalene, obtuse triangle?
If a quadrilateral has angle measures of 120, 100 and 80, what must the 4th angle measure?
60 degrees
Complementary angles measure what?
90 degrees
Some flags are in the shape of a triangle with two perpendicular sides that are the same length. Which two terms describe the flag?
Isosceles, Right
What kind of angle is this?
acute
What are these lines called?
parallel lines
What are these lines called?
Perpendicular lines
What is the measure of x?
126 degrees