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Mindmap: Perimeter and Area | Mathematics (Maths) Class 7

The document Mindmap: Perimeter and Area | Mathematics (Maths) Class 7 is a part of the Class 7 Course Mathematics (Maths) Class 7.
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FAQs on Mindmap: Perimeter and Area - Mathematics (Maths) Class 7

1. What is the formula for calculating the perimeter of a rectangle?
Ans. The formula for calculating the perimeter of a rectangle is P = 2(l + w), where P is the perimeter, l is the length, and w is the width of the rectangle.
2. How do you find the area of a triangle?
Ans. The area of a triangle can be calculated using the formula A = 1/2(b * h), where A is the area, b is the base length, and h is the height of the triangle.
3. What is the difference between perimeter and area?
Ans. The perimeter is the total distance around the outside of a shape, whereas the area measures the amount of space enclosed within that shape. Perimeter is expressed in linear units, while area is expressed in square units.
4. How can the area of a circle be calculated?
Ans. The area of a circle can be calculated using the formula A = πr², where A is the area and r is the radius of the circle. π (pi) is approximately equal to 3.14.
5. What units are used to measure perimeter and area?
Ans. Perimeter is measured in linear units such as meters, centimeters, or feet, while area is measured in square units such as square meters, square centimeters, or square feet.
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