Area of Right Triangles Worksheet

Calculate the area of right triangles using various methods and apply the formula.

Grade 3 Math GeometryArea of Right Triangle

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Includes

2 Short AnswerFill in the BlanksMultiple ChoiceTrue / False

Standards

CCSS.MATH.CONTENT.3.MD.C.7.A

Topics

mathgeometryarearight trianglegrade 3

7 sections · Free to use · Printable

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Area of Right Triangles

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Read each question carefully and calculate the area of the right triangles. Remember, the area of a right triangle is half the area of a rectangle with the same base and height.

1. What is the area of the right triangle shown above?

2. If a right triangle has a base of 10 inches and a height of 4 inches, its area is square inches.

3. The formula for the area of a right triangle is (base × height) ÷ .

4. A right triangle has sides of 3 cm, 4 cm, and 5 cm. What is its area?

6 square cm

12 square cm

15 square cm

20 square cm

5. A triangular garden is shaped like a right triangle with a base of 5 meters and a height of 4 meters. What is the area of the garden?

6. The area of a right triangle is always greater than the area of a square with the same side length as the triangle's base.

True

False