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kvv77 [185]
3 years ago
5

a rectangle has a perimeter of 35 1/2 feet if the length is 12 feet, what is the area of the rectangle

Mathematics
2 answers:
d1i1m1o1n [39]3 years ago
8 0

Area of the rectangle is 69 feet²

<h3>Further explanation</h3>

To solve the above questions, we need to recall some of the formulas as follows:

Area of Rectangle = Length × Width

Perimeter of Rectangle = 2 × ( Length + Width )

Let us now tackle the problem !

<u>Given:</u>

Perimeter of Rectangle = P = 35¹/₂ feet

Length of Rectangle = L = 12 feet

<u>Unknown:</u>

Area of Rectangle = A = ?

<u>Solution:</u>

This problem is about Area and Perimeter of Rectangle.

<em>Let's find the width of Rectangle.</em>

\texttt{Perimeter of Rectangle} = 2( \texttt{Length} + \texttt{Width} )

35\frac{1}{2} = 2( 12 + \texttt{Width} )

35\frac{1}{2} \div 2 = ( 12 + \texttt{Width} )

17\frac{3}{4} = ( 12 + \texttt{Width})

\texttt{Width} = 17\frac{3}{4} - 12

\texttt{Width} = \boxed {5\frac{3}{4} ~ \texttt{feet}}

<em>Let's find the area of Rectangle.</em>

\texttt{Area of Rectangle} = \texttt{Length} \times \texttt{Width}

A = L \times W

A = 12 \times 5\frac{3}{4}

A = \boxed {69 ~ \texttt{feet}^2}

<h3>Learn more</h3>
  • The perimeter of a polygon : brainly.com/question/6361596
  • The perimeter of a rectangle : brainly.com/question/7619923
  • The perimeter of a triangle : brainly.com/question/2299951

<h3>Answer details</h3>

Grade: College

Subject: Mathematics

Chapter: Two Dimensional Figures

Keywords: Perimeter, Area , Square , Rectangle , Side , Length , Width

Ede4ka [16]3 years ago
6 0

Answer:

The area of the rectangle is 69 feet squared.

Step-by-step explanation:

We know that perimeter is all of the sides of an object added together. Since the length is 12 feet, that means that 24 feet (2 sides of the rectangle) is the length. That leaves us with 11 1/2 feet. This needs to be divided by 2 to find the width since there are 2 sides for width. 11 1/2 / 2 = 5 3/4. To find the area.  (l x w), you can multiply 12 by 5 3/4 to get 69. Now write the correct units which are feet squared.

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