Marta is making a flag with the given dimensions. The perimeter of the flag is 100 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

Mathematics

Kyra Santana

26 December, 22:35

Marta is making a flag with the given dimensions. The perimeter of the flag is 100 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?

$?

+4

Answers (1)

Know the Answer?

Abril Hatfield · Answer 1

She would need 360 square inches of fabric, we know this by using the heron's formula P = 100, S = 50

A = (50 (50-41) (50-41) (50-18)) ^.5

A = (50 (9^2) (32)) ^.5

A = 9 (50 (32)) ^.5

A = 9 (1600) ^.5

A = 9*40

A = 360

360*0.15 per piece equals $54

Answers:

360, 54

Marta is making a flag with the given dimensions. The perimeter of the flag is 100 inches. How much material, in square inches, is needed to make the flag?? square inchesIf the material costs $0.15 per square inch, how much will Marta spend on materials to make the flag?$?

Marta is making a flag with the given dimensions. The perimeter of the flag is 100 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?

$?