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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 (P) of a rectangle is P = 2(l + w), where '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 (A) of a triangle can be calculated using the formula A = 1/2 × base × height. Here, 'base' is the length of the triangle's base, and 'height' is the perpendicular distance from the base to the opposite vertex.
3. What is the difference between perimeter and area?
Ans. The perimeter is the total distance around the outside of a shape, while the area is the amount of space contained within that shape. For example, the perimeter of a square is the sum of all its sides, and the area is the space covered by the square.
4. How can I calculate the area of a circle?
Ans. The area (A) of a circle is calculated using the formula A = πr², where 'r' is the radius of the circle and π (pi) is approximately 3.14.
5. Can you explain how to find the perimeter of a composite shape?
Ans. To find the perimeter of a composite shape, you need to add the lengths of all the outer sides of the shape. If the shape consists of different figures, calculate the lengths of each side and sum them up to get the total perimeter.
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