Geometry - 2 Video Lecture | Crash Course for CTET Preparation (English) - CTET & State TET

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FAQs on Geometry - 2 Video Lecture - Crash Course for CTET Preparation (English) - CTET & State TET

1. What are the different types of angles in geometry?
Ans. In geometry, there are four main types of angles: acute angles, obtuse angles, right angles, and straight angles. Acute angles are less than 90 degrees, obtuse angles are greater than 90 degrees but less than 180 degrees, right angles are exactly 90 degrees, and straight angles are exactly 180 degrees.
2. How do you calculate the area of a triangle?
Ans. The area of a triangle can be calculated using the formula: Area = 1/2 * base * height. Simply multiply the base of the triangle by the height of the triangle, and then divide the result by 2 to obtain the area.
3. What is the Pythagorean theorem in geometry?
Ans. The Pythagorean theorem states that in a right-angled triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the lengths of the other two sides. In equation form, it is written as: a^2 + b^2 = c^2, where c is the length of the hypotenuse, and a and b are the lengths of the other two sides.
4. What is the difference between a square and a rectangle in geometry?
Ans. A square is a special type of rectangle where all four sides are equal in length and all angles are right angles. A rectangle, on the other hand, has opposite sides that are equal in length and all angles are right angles, but the length and width of a rectangle can be different.
5. How do you find the volume of a cylinder in geometry?
Ans. The volume of a cylinder can be calculated using the formula: Volume = πr^2h, where r is the radius of the base of the cylinder and h is the height of the cylinder. Simply square the radius, multiply by the height, and then multiply by π to obtain the volume.
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