# The area of square with side x .

BuyFind

### Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071
BuyFind

### Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

#### Solutions

Chapter 1.6, Problem 3E

(a)

To determine

Expert Solution

## Answer to Problem 3E

The area of square is x2 .

### Explanation of Solution

The side of square is x.

The formula to calculate area of square is,

Area=side×side=x×x=x2

Thus, the area of square is x2 .

(b)

To determine

Expert Solution

## Answer to Problem 3E

The area of rectangle is l×w .

### Explanation of Solution

The length of rectangle is l and width is w.

The formula to calculate area of rectangle is,

Area=length×width=l×w

Thus, the area of rectangle is l×w .

(c)

To determine

Expert Solution

## Answer to Problem 3E

The area of circle is πr2 .

### Explanation of Solution

The radius of circle is r.

The formula to calculate area of circle is,

Area=π×(radius)2=πr2

Thus, the area of circle is πr2 .

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