i hate math. help pls. Marta is making a flag with the given dimensions. The perimeter of the flag is 100 inches. A triangle has side lengths of 18 inches and 41 inches. How much material, in square inches, is needed to make the flag? square inches If the material costs $0.15 per square inch, how much will Marta spend on materials to make the flag?

Question

i hate math. help pls. 
Marta is making a flag with the given dimensions. The perimeter of the flag is 100 inches.

A triangle has side lengths of 18 inches and 41 inches.

How much material, in square inches, is needed to make the flag?
square inches

If the material costs $0.15 per square inch, how much will Marta spend on materials to make the flag?
<img src="https://media.edgenuity.com/contentengine/frames/c36ed906-b0b1-11e4-aa3a-bc764e043e0c/8101-07-08-20-07-image1.png" alt="A triangle has side lengths of 18 inches and 41 inches."/>