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NCERT Solutions for Class 9 Maths Chapter 12 – Heron’s Formula
NCERT Solutions for Class 9 Maths Chapter 12 PDF covers the topic of triangles, different types of triangles and the formulas to calculate the areas of triangle. The chapter also discusses Herons formula and area of trapezoid
Area of Triangle:
A triangle is a regular polygonal structure which has three sides. The sum of all angles is […]
NCERT Solutions for Class 9 Maths Chapter 10 – Circles
Circle, it is one of the basic shapes which we come across in our day to day life. The distance between the center of the circle and the edges remains the same from any given point on the edge. It is round in shape having a definite circumference. IN other words you can all a […]
NCERT Solutions for Class 9 Maths Chapter 9 – Areas of Parallelograms and Triangles
Class 9 Maths chapter 9 solutions pdf has a number of questions on area of triangle and area of parallelogram. Practice the solutions as many times as possible to master the chapter!
Area of Triangle:
A triangle has three sides which are joined to each other. A triangle in which of the angle is 90 degrees […]
NCERT Solutions for Class 9 Maths Chapter 8 – Quadrilaterals
A Quadrilateral has four-sides, it is 2-dimensional (a flat shape), closed (the lines join up), and has straight sides.
Characteristics of a Quadrilateral
- A quadrilateral has 4 sides, 4 angles and 4 vertices.
- A quadrilateral can be regular or irregular.
- The sum of all the interior angles of a quadrilateral is 360 degree.
Properties of Parallelogram
There are six important properties of parallelograms to acknowledge:
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NCERT Solutions for Class 9 Maths Chapter 7 – Triangles
A triangle has three sides and three angles. The three angles always add to 180 degree. There are three special names given to triangles that tell how many sides (or angles) are equal.
There can be 3, 2 or no equal sides/angles:
Equilateral
- Three equal sides
- Threeequal angles, always 60°
Isosceles
- Two equal sides
- Two equal angles
Scalene
- No equal sides
- No equal angles
Type of Angle
Triangles […]
NCERT Solutions for Class 9 Maths Chapter 6 – Lines and Angles
Line
A line has neither initial nor terminal points with indefinite length.
The pairs of lines are nothing but the two lines, which may be intersects or parallel or perpendicular as shown below:
Angle
The […]
