Math Problem Statement

What is the area of the playground in square feet?

Solution

To find the area of the playground, we will break the shape into simpler components.

Given dimensions:

  • The shape consists of a trapezoid and a rectangle.
  • The rectangle on the left has dimensions 6 ft × 6 ft.
  • The trapezoid has bases 18 ft and 30 ft, with a height of 6 ft.

Step 1: Find the area of the rectangle

Arectangle=length×width=6×6=36 ft2A_{\text{rectangle}} = \text{length} \times \text{width} = 6 \times 6 = 36 \text{ ft}^2

Step 2: Find the area of the trapezoid

The area of a trapezoid is given by: Atrapezoid=12×(Base1+Base2)×HeightA_{\text{trapezoid}} = \frac{1}{2} \times ( \text{Base}_1 + \text{Base}_2 ) \times \text{Height} Substituting values: Atrapezoid=12×(18+30)×6A_{\text{trapezoid}} = \frac{1}{2} \times (18 + 30) \times 6 =12×48×6= \frac{1}{2} \times 48 \times 6 =144 ft2= 144 \text{ ft}^2

Step 3: Total area

Atotal=Arectangle+AtrapezoidA_{\text{total}} = A_{\text{rectangle}} + A_{\text{trapezoid}} =36+144= 36 + 144 =180 ft2= 180 \text{ ft}^2

Final Answer:

180 square feet

Would you like a breakdown of any step?

Here are some related questions to explore:

  1. How do you find the perimeter of this playground?
  2. What is the area of a similar shape if all dimensions are doubled?
  3. How can you find the volume if this playground is covered with sand 1 ft deep?
  4. How does the area formula for a trapezoid compare to a parallelogram?
  5. If fencing costs $5 per square foot, what is the total cost to cover this playground?

Tip: Breaking complex shapes into simpler ones like rectangles and trapezoids makes area calculations easier!

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Math Problem Analysis

Mathematical Concepts

Geometry
Area Calculation
Composite Shapes

Formulas

Area of a Rectangle = length × width
Area of a Trapezoid = (1/2) × (Base1 + Base2) × Height

Theorems

Basic Area Formulas for Rectangles and Trapezoids

Suitable Grade Level

Grades 6-8