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Area and Perimeter Tips and Tricks for Government Exams

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Video Timeline
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00:00Introduction
00:50Important Basics Area - Amount of space occupied by a two-dimensional figure.
06:48Incircle & Circumcircle of Square
09:43Circle & Semi-circle
15:10The length of a rectangle is increased by 40% and the breadth is decreased by 40%. What will be the change in the area?
19:26Ram was in a hurry to catch the bus. So, rather than walking from A to B and then from B to C along the given rectangular path, he decided to take a short
22:40How many minimum number of square tiles are needed to cover a rectangular
25:41The perimeter of a rectangular garden of length 100m is 340 meter. A flower bed 5meter wide is built around it. A gardener works for two days on this flower bed and charges Rs 8/- per square meter. His fixed charges per day are Rs 300/- What will be the total money paid to the gardener at the end of two days, on completion of the work?
30:57A rectangular garden 100 m by 80 m has two mutually perpendicular footpaths
35:01Find the area of the shaded portion of the given figure.
38:17An equilateral triangle is drawn on the diagonal of a square of side 'a'. What is the relation between the areas of the triangle and the square?
40:17The sides of a triangle are 3 cm, 4 cm and 5 cm. Find the area and
45:59If the length of the median of an equilateral triangle is m. Find its area.
48:39Four horses are tied with the help of a 14m long rope, at the corners of a horses leave ungrazed.
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FAQs on Tips & Tricks: Area & Perimeter

1. What is the formula to calculate the area of a rectangle?
Ans. The formula to calculate the area of a rectangle is length multiplied by width, or A = l * w.
2. How do you find the perimeter of a square?
Ans. The perimeter of a square is found by multiplying the length of one side by 4, or P = 4s.
3. Can the area of a triangle be negative?
Ans. No, the area of a triangle cannot be negative. Area is always a positive value representing the amount of space enclosed by the shape.
4. What is the difference between area and perimeter?
Ans. Area measures the amount of space inside a shape, while perimeter measures the distance around the shape's boundary.
5. How can I find the area of a circle if I know the radius?
Ans. The area of a circle can be calculated using the formula A = πr², where π (pi) is a mathematical constant approximately equal to 3.14159 and r is the radius of the circle.
Video Timeline
Video Timeline
arrow
00:00Introduction
00:50Important Basics Area - Amount of space occupied by a two-dimensional figure.
06:48Incircle & Circumcircle of Square
09:43Circle & Semi-circle
15:10The length of a rectangle is increased by 40% and the breadth is decreased by 40%. What will be the change in the area?
19:26Ram was in a hurry to catch the bus. So, rather than walking from A to B and then from B to C along the given rectangular path, he decided to take a short
22:40How many minimum number of square tiles are needed to cover a rectangular
25:41The perimeter of a rectangular garden of length 100m is 340 meter. A flower bed 5meter wide is built around it. A gardener works for two days on this flower bed and charges Rs 8/- per square meter. His fixed charges per day are Rs 300/- What will be the total money paid to the gardener at the end of two days, on completion of the work?
30:57A rectangular garden 100 m by 80 m has two mutually perpendicular footpaths
35:01Find the area of the shaded portion of the given figure.
38:17An equilateral triangle is drawn on the diagonal of a square of side 'a'. What is the relation between the areas of the triangle and the square?
40:17The sides of a triangle are 3 cm, 4 cm and 5 cm. Find the area and
45:59If the length of the median of an equilateral triangle is m. Find its area.
48:39Four horses are tied with the help of a 14m long rope, at the corners of a horses leave ungrazed.
More
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