Sammy is classifying quadrilateral EFGH. How can she use coordinate geometry to determine whether EFGH is a parallelogram?

if slope of EH is equal to slope of FG ,then it is quadrilateral

C

Step-by-step explanation:

She (or he) can use the slope formula to find if the opposite sides have equal slope because in a parallelogram the opposites sides are parallel which means they have an equal slope.

.632

step-by-step explanation:

6 * 1/10 = 3/5

3*0.01 = 0.03

3/5 + 0.03 = .63

2*0.002 = .002

.63 + 0.002 = .632

the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point