Math Formulas

Formulas

What formulas do wew nned to know?

Poll

Do I know the different fromulas to work out perimeter, aera, and volume?

• A little

• about half of them

• None onf them.

• I know them all.

Let's begin

Perimeter- the continuous line forming the boundary of a closed geometric figure.

Area- The space enclosed by the boundary of a plane figure

Area and Perimeter

These are the formulas for perimeter.

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Formulas for perimeter

Multiple Choice

What is the formula for the circumfrence of a circle?

• $$length\ \times Width$$

• $$A+B+C$$

• $$2\times r\times\pi$$

• $$4\times side\$$

Multiple Choice

Which formula is the perimeter for a Rectangle?

• $$length\ \times Width\$$

• $$2\times length\ +2\times width\$$

• $$2\pi r^2$$

• $$4\times side\$$

These are the fomulas for Area.

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Fromulas for Area

What do you notice about this formula?

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Formulas for a trianlgle

What do you notice about these formulas?

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Formulas for a circle

Multiple Choice

Which formula would you use to find the area of a triangle?

• $$B\times H\div2$$

• $$side\times side$$

• $$\pi\times r^2$$

• $$a+b+c$$

Multiple Choice

Which formula would you use for the area of a circle?

• $$2\times\pi\times r$$

• $$\pi\times r^2$$

• $$\pi\times d^2$$

• $$a^2+b^2+c^2$$