By definition, the area of a circle is given by:

Where,
r: radius of the circle.
Substituting the values in the given expression, we have:

Rounding to the nearest tenth we have:
Answer:
Approximately needed:
X=14-2y
so, 14-2y+3y=9
y=1
x=14-2*1=12
Hope this answer can help you!
The volume and surface area of any prism can be determined using the given formula explained below.
<h3>
What is the Volume and Surface Area of Prisms?</h3>
The surface area of any given prism can be calculated using the formula, SA = (2 × Base Area) + (Base perimeter × height).
The volume of any given prism can be determined, using the formula, V = base area × height of the prism.
The image for the prisms to be calculated is missing, howver, using the above formula, the volume and surface area of any prism can be determined using the given parameters.
Learn more about volume and surface area of prisms on:
brainly.com/question/12186885
One kilometer equals 1000 meters.
The answer to this question will be D