Perpendicular- Two lines that intersect at a right angle.
Parallel- Lines that never cross or intersect.
Intersecting- When lines cross at any angle.
Perpendicular Bisector- A line that divides a line into exactly two.
Angle Bisector- A line that divides an angle into exactly two.
Acute Angle- An angle that is smaller than 90 degrees.
Obtuse Angle- Any angle that is larger than 90 degrees but smaller than 180 degrees.
Right Angle- a 90 degree angle.
Formula for the Area of a Triangle- b x h divided by two.
Formula for the Area of a Parallelogram- b x h.
Find the Area of the Parallelogram
a= b x h
a= 50 x 20
Find the Area of the Triangle
a= b x h divided by 2
a= 10 x 12 divided by 2
a= 120 divided by 2
Convert Fractions, Decimals and Percents
Fractions are out of any whole number.
Percent is out of 100.
Decimals are out of 1.
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