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Recalling Area and Perimeter Video Lecture - CTET & State TET

FAQs on Recalling Area and Perimeter Video Lecture - CTET & State TET

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. Therefore, the formula is A = l * w, where A represents the area, l denotes the length, and w represents the width.

2. How do you find the perimeter of a square?

Ans. To find the perimeter of a square, you need to add up all four sides of the square. Since all sides of a square are equal in length, you can simply multiply the length of one side by four to calculate the perimeter.

3. What is the difference between area and perimeter?

Ans. Area refers to the amount of space inside a two-dimensional shape, while perimeter represents the total distance around the shape. In other words, area is the measure of the surface enclosed by the shape, whereas perimeter is the measure of the boundary length.

4. How do you calculate the area of a triangle?

Ans. The formula for calculating the area of a triangle is 1/2 multiplied by the base length multiplied by the height. Therefore, the formula is A = (1/2) * b * h, where A represents the area, b denotes the base length, and h represents the height.

5. Can you find the area and perimeter of a circle?

Ans. Yes, it is possible to find the area and perimeter of a circle. The formula for the area of a circle is pi multiplied by the radius squared (A = πr^2), where A represents the area and r denotes the radius. The formula for the perimeter of a circle is 2 multiplied by pi multiplied by the radius (P = 2πr), where P represents the perimeter and r denotes the radius.

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