RO divides the rectangle into two congruent right triangles.
The area of the one triangle is equal half area of the rectangle.
Calculate the area of rectangle:

The area of right triangle:

Use the Pythagorean theorem to calculate the length of RO:

The formula of an area of this right triangle is:

Therefore we have the equation:

Answer:
7/16
Step-by-step explanation:
7/16>3/8
You must do 1/2 times base times height
Answer:
x=-2 y=7
Step-by-step explanation:
Answer:
as x increases, y increases
Step-by-step explanation: