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 a triangle with 3 EQUAL sides is called?
Equilateral Triangle
How many degrees in a quadrilateral?
360 degrees
True or False: A rhombus has to have 4 right angles?
False
True or False: A square has to have all right angles
True
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 is an obtuse angle?
An angle that is greater than 90 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
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 is the definition of intersecting lines?
Intersecting lines are two or more lines that cross or meet at a common point.
What is the definition of a parallelogram?
Two pairs of opposite sides are parallel and equal in length.
What is the definition of perpendicular lines?
Perpendicular lines are lines that intersect at a 90 degree angle.