Math Problem Statement

What is the area, in square centimeters, of the shape below?

Solution

The shape in the image is a right triangle with a base of 9.4 cm and a height of 7.4 cm.

The area AA of a triangle is calculated using the formula:

A=12×base×heightA = \frac{1}{2} \times \text{base} \times \text{height}

Substituting the given values:

A=12×9.4cm×7.4cmA = \frac{1}{2} \times 9.4 \, \text{cm} \times 7.4 \, \text{cm}

Now, let's calculate the area:

A=12×69.56cm2=34.78cm2A = \frac{1}{2} \times 69.56 \, \text{cm}^2 = 34.78 \, \text{cm}^2

Thus, the area of the triangle is 34.78 square centimeters.

Would you like more details or have any questions about this? Here are some related questions you might be interested in:

  1. How do you find the area of other polygons like parallelograms or trapezoids?
  2. What is the perimeter of this triangle, including the hypotenuse?
  3. How can we calculate the length of the hypotenuse using the Pythagorean theorem?
  4. How does the formula for the area of a triangle change for non-right triangles?
  5. Can the formula for the area of a triangle be applied to 3D shapes like pyramids?

Tip: When calculating the area of right triangles, make sure the "base" and "height" you use are the two sides that form the right angle.

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Math Problem Analysis

Mathematical Concepts

Geometry
Triangles
Area Calculation

Formulas

Area of a Triangle = (1/2) × base × height

Theorems

Pythagorean Theorem (if the hypotenuse is needed)

Suitable Grade Level

Grades 6-8