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Area of Right Triangles

Calculate the area of right triangles using the formula (base × height) / 2.

Grade 4 Math GeometryArea of Right Triangle
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Includes

2 Short AnswerFill in the BlanksMultiple ChoiceTrue / False

Standards

CCSS.MATH.CONTENT.4.MD.A.3

Topics

mathgeometryarearight trianglegrade 4
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 (base × height) / 2.

1. What is the area of a right triangle with a base of 6 cm and a height of 4 cm?

6 cm4 cm

2. A right triangle has a base of 8 inches and a height of 5 inches. Find its area.

8 inches5 inches

3. If a right triangle has a base of 10 feet and a height of 7 feet, its area is   square feet.

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

5. Which of the following is the correct area for a right triangle with a base of 12 meters and a height of 3 meters?

a

36 square meters

b

18 square meters

c

15 square meters

d

6 square meters

6. The area of a right triangle is calculated by multiplying the base by the height.

T

True

F

False

7. A triangle with sides 3 cm, 4 cm, and 5 cm is a right triangle.

T

True

F

False

8. A triangular garden plot is shaped like a right triangle. Its base is 14 feet and its height is 10 feet. What is the area of the garden?