Formulas for Area of Shapes

Front

What is the formula for finding the area of a triangle?

Back

Front

What is the formula for finding the area of a rectangle?

Back

Front

What is the formula for finding the area of a parallelogram?

Back

Front

What is the formula for finding the area of a trapezoid?

Back

Front

When you are finding the area of an object, are you looking inside the object or outside the object?

Back

inside

Front

When finding the perimeter of an object, are you looking on the inside or outside of the object?

Back

outside

Front

How do I find the perimeter of an object?

Back

Add all the sides (outside of the shape)

Front

How do I find the mean of a data set?

Back

Add all the numbers together and divide by the total numbers.

Front

How do you find the median of a data set?

Back

1) Put the numbers in order from least to greatest.

2) Find the number that is in the middle.

If there are two middle numbers, add the two numbers together and divide by 2

Front

How do I find the range of a data set?

Back

Find the largest number and subtract the smaller number.