Astained glass window is going to be installed in a semi-circular opening, which is above a 30 inch wide door. if the stained glass window costs $1.40 per square inch, how much will the window cost? use 3.14 for
π
π
as necessary.

$494.55

Step-by-step explanation:

Given : A stained glass window is going to be installed in a semi-circular opening, which is above a 30 inch wide door.

Then the diameter of the semi-circular glass = 30 inches

Also, the radius of the glass =

We know that the area of a semicircle is given by :-

Then , the area of the stained glass window  :-

The cost of window will be :-

Hence, the cost of window = $494.55

2 5/8 is the final answer! : )

square pyramid

step-by-step explanation:

square prism looks like nothing like that

triangular prism has a rectangular base instead of a square base

tetrahedron has a triangular base