Class 10 maths quiz

Perimeter or Circumference of the circle=2πr, where r is the radius of the circle. Or Circumference of the circle = πd, where d is the diameter of the circle. Area of circle = πr2 where r is the radius of the circle.Area of Semi circle… Read More »class 10 maths chapter 12 Areas related to circles

• Division of a line segment in a given ratio (Internally): The division of a line segment in a given ratio is based on the Basic Proportionality Theorem. • Construction of a Triangle similar to a given triangle: By the knowledge of similar triangles and… Read More »Class 10 maths chapter 11 construction notes

• वृत्त: एक वृत्त एक समतल में बिंदुओं का एक संग्रह होता है जो एक निश्चित बिंदु से एक स्थिर दूरी पर होते हैं।• केंद्र: निश्चित बिंदु को केंद्र कहा जाता है।• त्रिज्या: नियत दूरी को त्रिज्या कहते हैं।• व्यास: त्रिज्या का दुगुना व्यास कहलाता… Read More »class 10 maths chapter 10 वृत्त

• Circle: A circle is a collection of points in a plane which are at a constant distance from a fixed point.• Centre: The fixed point is called a centre.• Radius: The constant distance is called the radius.• Diameter: Twice of radius is called the… Read More »class 10 maths chapter 10 circles

Trigonometric ratios: In ∆ABC, ∠B=90°, for angle ‘A’ Reciprocal relations: Quotient relations: Identities: trigonometric ratios of some specific angles: Trigonometric ratios of complementary angles: sin(90°- θ) = cos θ ,cos(90°-θ) = sinθ;tan (90°-θ) = cot θ,cot (90°-θ ) = tan θ;sec (90°- θ) = cosec… Read More »class 10 maths chapter 9 some applications of trigonometry