Answer:
Mjhs needs 189.25 square feet of blue paint, approximately.
Explanation:
As you can observe in the image attached, the basketball court is a composite figure formed by a rectangle and half of a circle.
The rectangle has dimensions of 10 feet by 15 feet. The circle has a diameter of 10 feet.
The expression of this composite area would be

Where
and
. Replacing these values, we have

Therefore, Mjhs needs 189.25 square feet of blue paint, approximately.