Question

Alex is making 12 pennants for the school fair. The pattern he is using to make the pennants is shown in the figure. The fabric costs $1.25 per square foot. How much will it cost Alex to make 12 pennants?​

Answer 1

It will cost Alex $52.5 to make 12 pennants

Explanation:

The area of the pennant is the area of the rectangular portion plus the area of the triangular portion.

`=1* 3 +(1)/(2)* 1* 1`

`Area=3+(1)/(2) ft^2`

`Area=3.5 ft^2`

The area of 12 pennants

`=12* 3.5ft^2`

`=42ft^2`

If the fabric for the pennants costs $1.25 per square foot, then;

42 square feet will cost
`1.25* 42=52.5` dollars.