Geometry

Question Analysis

The main focus is on calculating the area of the trapezoid. We can divide the trapezoid into a rectangle and a right - angled triangle. Then, calculate the areas of the rectangle and the triangle respectively and sum them up to get the area of the trapezoid.

Key Concept Explanation

1. Area of a rectangle: The area  of a rectangle is calculated by the formula , where  is the length and  is the width.

2. Area of a triangle: The area  of a triangle is calculated by the formula , where  is the base and  is the height.

 

Step - by - Step Solution

1. Analyze the dimensions of the rectangle and triangle:

For the rectangle part: The length  and the width .

For the right - angled triangle part: The height , and the base .

2. Calculate the area of the rectangle:

Using the formula

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