Math Problem Statement

Find the area of a composite figure made up of a triangle and a rectangle.

Solution

The image contains a composite figure, made up of a triangle and a rectangle, and we are tasked with finding the total area. Let's break it down:

Step 1: Area of the Triangle

  • The triangle has a base of 16 inches and a height of 5 inches.
  • The formula for the area of a triangle is A=12×base×heightA = \frac{1}{2} \times \text{base} \times \text{height}.

A=12×16×5=40in2A_{\triangle} = \frac{1}{2} \times 16 \times 5 = 40 \, \text{in}^2

Step 2: Area of the Rectangle

  • The rectangle has a length of 16 inches and a width of 9 inches.
  • The formula for the area of a rectangle is A=length×widthA = \text{length} \times \text{width}.

A=16×9=144in2A_{\square} = 16 \times 9 = 144 \, \text{in}^2

Step 3: Total Area of the Figure

The total area is the sum of the areas of the triangle and the rectangle:

Atotal=40in2+144in2=184in2A_{\text{total}} = 40 \, \text{in}^2 + 144 \, \text{in}^2 = 184 \, \text{in}^2

Final Answer:

  • Area of triangle = 40 in²
  • Area of rectangle = 144 in²
  • Total area = 184 in²

Would you like more details on any part of the solution?

Here are 5 related questions for further practice:

  1. What is the area of a triangle with a base of 10 inches and height of 7 inches?
  2. How would you calculate the area of a right-angled triangle?
  3. Can you find the area of a parallelogram with base 8 inches and height 5 inches?
  4. What is the total area of a figure with a semicircle on top of a rectangle?
  5. How do you calculate the perimeter of this composite figure?

Tip: For composite shapes, always break them down into simpler geometric figures like triangles, rectangles, or circles to calculate the area easily!

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Math Problem Analysis

Mathematical Concepts

Geometry
Area Calculation
Composite Figures

Formulas

Area of a triangle = 1/2 * base * height
Area of a rectangle = length * width

Theorems

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Suitable Grade Level

Grades 5-7