How many degrees is a right angle?
90 degrees
Draw parallel lines
Two or more lines that never touch
How many sides does a polygon have?
3 or more sides
What is the area of a 5in by 5in square?
25 square inches
What is the perimeter of a square if one side is 8in?
32 inches
How many degrees is an acute angle?
Less than 90 more than 0
Draw intersecting lines
Lines that cross at one point
How many sides does a quadrilateral have?
4
What is the area of a 10in by 10in square?
100 square inches
What is the perimeter of a square if one side is 12in?
48 inches
How many degrees is an obtuse angle?
Greater than 90, less than 180 degrees.
Draw perpendicular lines
How many sides does a pentagon have?
5 sides
What is the area of a 5in by 8in rectangle?
40 square inches
What is the perimeter of a 12in by 2in rectangle?
28 inches
How many degrees is a stright angle?
Draw an obtuse angle
Up to Ms. Green
What is special about an equilateral triangle?
All sides are the same length, 3 lines of symmetry.
What is the area of a 15in by 5in rectangle?
75 square inches
What is the perimeter of a 15in by 20in rectangle?
70 inches
The straight angle is 180 degrees. One angle measures 55 degrees. What is the other angle measurement?
125 degrees
Draw an acute angle
Up to Ms. Green
What is a scalene triangle?
A triangle with no sides the same length.
What is the area of a 30in by 5in rectangle?
150 square inches
What is the perimeter of a 130in by 25in rectangle?
310 inches