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Area & Perimeter of Polygons — Easy Worksheet 2
Grade 10 · MathSheets Name: ____________________ Date: __________
Solve each problem. Round to one decimal place if needed.
How to solve
For a rectangle, perimeter = 2 × (length + width) and area = length × width. For a triangle, area = 12 × base × height. Round to one decimal place if needed.
Example
Find the area of a rectangle with length 5 and width 9.
Answer: 45
Not quite. The answer is
💡 Perimeter of a rectangle = 2 × (length + width) = 2 × (7 + 6) = 2 × 13 = 26. The perimeter is 26.
✓ Correct!
Not quite. The answer is
💡 Perimeter of a rectangle = 2 × (length + width) = 2 × (7 + 6) = 2 × 13 = 26. The perimeter is 26.
💡 How to solve: Area & Perimeter of Polygons
For a rectangle, perimeter = 2 × (length + width) and area = length × width. For a triangle, area = 12 × base × height. Round to one decimal place if needed.
Try a similar one
Find the area of a rectangle with length 9 and width 5.
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Area of a triangle = 12 × base × height = 12 × 10 × 7 = 70 ÷ 2 = 35. The area is 35.
✓ Correct!
Not quite. The answer is
💡 Area of a triangle = 12 × base × height = 12 × 10 × 7 = 70 ÷ 2 = 35. The area is 35.
💡 How to solve: Area & Perimeter of Polygons
For a rectangle, perimeter = 2 × (length + width) and area = length × width. For a triangle, area = 12 × base × height. Round to one decimal place if needed.
Try a similar one
Find the perimeter of a rectangle with length 3 and width 4.
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Area of a rectangle = length × width = 3 × 5 = 15. The area is 15.
✓ Correct!
Not quite. The answer is
💡 Area of a rectangle = length × width = 3 × 5 = 15. The area is 15.
💡 How to solve: Area & Perimeter of Polygons
For a rectangle, perimeter = 2 × (length + width) and area = length × width. For a triangle, area = 12 × base × height. Round to one decimal place if needed.
Try a similar one
Find the area of a rectangle with length 7 and width 9.
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Area of a triangle = 12 × base × height = 12 × 8 × 4 = 32 ÷ 2 = 16. The area is 16.
✓ Correct!
Not quite. The answer is
💡 Area of a triangle = 12 × base × height = 12 × 8 × 4 = 32 ÷ 2 = 16. The area is 16.
💡 How to solve: Area & Perimeter of Polygons
For a rectangle, perimeter = 2 × (length + width) and area = length × width. For a triangle, area = 12 × base × height. Round to one decimal place if needed.
Try a similar one
Find the perimeter of a rectangle with length 6 and width 10.
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Area of a rectangle = length × width = 10 × 3 = 30. The area is 30.
✓ Correct!
Not quite. The answer is
💡 Area of a rectangle = length × width = 10 × 3 = 30. The area is 30.
💡 How to solve: Area & Perimeter of Polygons
For a rectangle, perimeter = 2 × (length + width) and area = length × width. For a triangle, area = 12 × base × height. Round to one decimal place if needed.
Try a similar one
Find the area of a rectangle with length 11 and width 7.
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Area of a triangle = 12 × base × height = 12 × 5 × 6 = 30 ÷ 2 = 15. The area is 15.
✓ Correct!
Not quite. The answer is
💡 Area of a triangle = 12 × base × height = 12 × 5 × 6 = 30 ÷ 2 = 15. The area is 15.
💡 How to solve: Area & Perimeter of Polygons
For a rectangle, perimeter = 2 × (length + width) and area = length × width. For a triangle, area = 12 × base × height. Round to one decimal place if needed.
Try a similar one
Find the area of a rectangle with length 10 and width 8.
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Area of a rectangle = length × width = 8 × 5 = 40. The area is 40.
✓ Correct!
Not quite. The answer is
💡 Area of a rectangle = length × width = 8 × 5 = 40. The area is 40.
💡 How to solve: Area & Perimeter of Polygons
For a rectangle, perimeter = 2 × (length + width) and area = length × width. For a triangle, area = 12 × base × height. Round to one decimal place if needed.
Try a similar one
Find the area of a rectangle with length 9 and width 8.
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Area of a triangle = 12 × base × height = 12 × 6 × 7 = 42 ÷ 2 = 21. The area is 21.
✓ Correct!
Not quite. The answer is
💡 Area of a triangle = 12 × base × height = 12 × 6 × 7 = 42 ÷ 2 = 21. The area is 21.
💡 How to solve: Area & Perimeter of Polygons
For a rectangle, perimeter = 2 × (length + width) and area = length × width. For a triangle, area = 12 × base × height. Round to one decimal place if needed.
Try a similar one
Find the perimeter of a rectangle with length 8 and width 8.
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
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Area & Perimeter of Polygons — Easy Worksheet 2
Solve each problem. Round to one decimal place if needed.