What is the perimeter of triangle abc with vertices a(-1,-2), b(2,-6), and c(-3,-6)?

Find the distance between the points and that is perimiter

find
A to B
B to C
C to A
we need the distance formula
D=
where D is the distance between points (x1,y1) and (x2,y2)

A to B
(-1,-2) to (2,-6)
D==5

B to C
(2,-6) to (-3,-6)
since the y value stayed the same, find the distance betwen the x values
2 to -3 is distance of 5

C to A
(-3,-6) to (-1,-2)
D==2√5

add everybody

5+5+2√5=10+2√5 units

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