Math Problem Statement

Find the missing dimension of the trapezoid

  1. If a = b1 and b = b2.

a = 4.13 m, b = 9.07 m, h = 5.6 m, A = blank

15.33 cm^2 100 cm^2 73.92 m^2 24.485 cm^2 24 cm^2

Solution

To find the area AA of a trapezoid, we use the formula:

A=12×(b1+b2)×hA = \frac{1}{2} \times (b_1 + b_2) \times h

Where:

  • b1=4.13mb_1 = 4.13 \, \text{m} (one base),
  • b2=9.07mb_2 = 9.07 \, \text{m} (the other base),
  • h=5.6mh = 5.6 \, \text{m} (height).

Now we substitute the values into the formula:

A=12×(4.13+9.07)×5.6A = \frac{1}{2} \times (4.13 + 9.07) \times 5.6

First, calculate the sum of the bases:

4.13+9.07=13.2m4.13 + 9.07 = 13.2 \, \text{m}

Then, multiply by the height:

A=12×13.2×5.6=12×73.92=36.96m2A = \frac{1}{2} \times 13.2 \times 5.6 = \frac{1}{2} \times 73.92 = 36.96 \, \text{m}^2

Thus, the area AA of the trapezoid is 36.96 m², but this is not among the given options. However, you mentioned different units (cm² and m²) in the choices, so we should ignore choices in cm², as the area calculation fits m2\text{m}^2.

Would you like to ask more details or verify anything? Here are 5 relative questions to explore:

  1. What if one of the bases is unknown? How would we find it?
  2. How would the formula change for a trapezoid with non-parallel sides?
  3. Can you explain the steps to convert between m² and cm²?
  4. How would you calculate the perimeter of the same trapezoid?
  5. What happens to the area if the height is halved?

Tip: Always check unit consistency when solving geometric problems!

Ask a new question for Free

By Image

Drop file here or Click Here to upload

Math Problem Analysis

Mathematical Concepts

Geometry
Area Calculation
Trapezoids

Formulas

A = (1/2) × (b1 + b2) × h

Theorems

Area of trapezoid theorem

Suitable Grade Level

Grades 6-8