The coordinates of the vertices of △abc are a(-2,2), b(5,-3), and c(-4,-1). identify the perimeter of △abc. round each side length to the nearest tenth before adding.

The distance from (-2,2) to (5,-3) is 8.6,  

(5,-3) to (-4,-1) is 9.2

(-4,-1) to (-2,2) is 3.6

add them all together to get the perimeter  

8.6+9.2+3.6= 21.4

so the perimeter is 21.4

in mathematics, a function is a relationship between two variables such that the value of one of the variables, called the dependent variable, is determined by the value of the other variable, called the independent variable. there is a specific term we use to describe the set of independent variables of a function.

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