Grade 8 Area Formulas Worksheet
Reinforce understanding of area formulas for various geometric shapes including triangles, rectangles, circles, and trapezoids for Grade 8 math students.
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Area Formulas Practice
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Read each question carefully and calculate the area of the given shapes. Show your work where indicated.
1. The area of a rectangle is calculated using the formula: Area = × .
2. The area of a triangle is calculated using the formula: Area = ½ × × .
3. The area of a circle is calculated using the formula: Area = π × ².
4. The area of a trapezoid is calculated using the formula: Area = ½ × ( + ) × height.
5. Calculate the area of a rectangle with a length of 12 cm and a width of 7 cm.
6. A square has a side length of 9 inches. What is its area?
7. Find the area of the triangle shown below:
8. A triangular garden has a base of 14 feet and a height of 10 feet. What is the area of the garden?
9. Calculate the area of a circle with a radius of 5 cm. (Use π ≈ 3.14)
10. A circular swimming pool has a diameter of 16 meters. What is the area of the pool's surface? (Use π ≈ 3.14)
11. Find the area of the trapezoid with base1 = 6 cm, base2 = 10 cm, and height = 5 cm.
12. A trapezoidal field has parallel sides measuring 20 meters and 30 meters. The perpendicular distance between them is 15 meters. What is the area of the field?
13. Which of the following formulas is used to find the area of a parallelogram?
A = ½bh
A = lw
A = bh
A = πr²