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Tricks and Problems on Area & Perimeter Video Lecture | CSAT Preparation - UPSC

213 videos|139 docs|151 tests

FAQs on Tricks and Problems on Area & Perimeter Video Lecture - CSAT Preparation - UPSC

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, or A = l x w.
2. How do I find the perimeter of a square?
Ans. To find the perimeter of a square, you simply add up all four sides. Since all sides of a square are equal, the perimeter is four times the length of one side.
3. Can you provide an example of finding the area of a triangle?
Ans. Certainly! Let's say we have a triangle with a base of 5 units and a height of 8 units. The formula for finding the area of a triangle is 1/2 x base x height. Plugging in the values, we get A = 1/2 x 5 x 8 = 20 square units.
4. How can I calculate the perimeter of a circle?
Ans. The perimeter of a circle is referred to as its circumference. The formula to calculate the circumference of a circle is 2πr, where r is the radius of the circle. If you know the diameter, you can divide it by 2 to find the radius.
5. Is there a formula to find the area of a trapezoid?
Ans. Yes, there is! The formula for finding the area of a trapezoid is 1/2 x (sum of the bases) x height. For example, if the bases of a trapezoid are 4 units and 6 units, and the height is 3 units, the area would be A = 1/2 x (4 + 6) x 3 = 15 square units.
213 videos|139 docs|151 tests

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