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Examples: Applications of Areas and Perimeters Video Lecture - Class 7

FAQs on Examples: Applications of Areas and Perimeters Video Lecture - Class 7

1. What is the formula for finding the area of a rectangle?

Ans. The formula for finding the area of a rectangle is length multiplied by width.

2. How can I find the perimeter of a triangle?

Ans. To find the perimeter of a triangle, you add the lengths of all three sides of the triangle.

3. Can you provide an example of finding the area of a circle?

Ans. Sure! To find the area of a circle, you use the formula: area = π * radius^2. For example, if the radius of a circle is 5 units, then the area would be 25π square units.

4. Is the perimeter of a square the same as its area?

Ans. No, the perimeter of a square is not the same as its area. The perimeter is the distance around the outside of the square, while the area is the measure of the space inside the square.

5. How can I find the area of a trapezoid?

Ans. To find the area of a trapezoid, you add the lengths of the two parallel sides, multiply the sum by the height of the trapezoid, and then divide by 2. The formula is: area = (a + b) * h / 2, where a and b are the lengths of the parallel sides and h is the height.

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Sep 03, 2025 Last updated

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