Area of a Triangle Worksheet
Calculate the area of various triangles using the formula A = 1/2 * base * height. Includes multiple choice, fill-in-the-blank, and short answer questions.
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Area of a Triangle
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Read each question carefully and calculate the area of the triangles. Show your work where necessary.
1. What is the formula for the area of a triangle?
A = base × height
A = 1/2 × base × height
A = length × width
A = side + side + side
2. A triangle has a base of 10 cm and a height of 5 cm. What is its area?
15 cm²
25 cm²
50 cm²
100 cm²
3. The area of a triangle is half of the product of its and its .
4. If a triangle has an area of 30 square meters and a base of 10 meters, its height is meters.
5. Calculate the area of the triangle shown below.
6. A triangular garden has a height of 7 feet and an area of 21 square feet. What is the length of its base?
7. Doubling the base of a triangle also doubles its area.
True
False
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