Question

On a coordinate plane, the coordinates of vertices R and T for a polygon are R(−6, 2) and T(1, 2). What is the length of Side RT of the polygon?
4 units

7 units

8 units

15 units

Answer 1

Answer : 7 units

There are two ways you can solve this problem:

1st way - Subtract the T's x coordinate by r's x coordinate.

1-(-6) = 1+6 = 7

2nd way - Graph the points than count the units between them.

[I attached a picture, I graphed ur points]

Answer 2

Answer:

The length of Side RT of the polygon is $7\ units$

Step-by-step explanation:

we know that

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

we have

$R(-6,2)\\T(1,2)$  

substitute the values

$d=\sqrt{(2-2)^{2}+(1+6)^{2}}$

$d=\sqrt{(0)^{2}+(7)^{2}}$

$dRT=7\ units$