Question

What is the perimeter to the nearest 10th of a unit

Answer 1

Remember that perimeter is the sum of the lengths of the sides. The way to find the length of the sides is $\sqrt{ ( x_{2} - x_{1} )^{2} * ( y_{2} - y_{1} )^{2} }$ where $(x_{1},y_{1})$ is one endpoint of one line, while $(x_{2},y_{2})$ is the other endpoint of the same line. Repeat this formula for each side and add them all together to get your perimeter