A right triangle is a type of triangle that has one angle measuring exactly 90 degrees. The side opposite this 90-degree angle is called the hypotenuse, which is the longest side of the right triangle ...

So, what's with the biscuits? Oh a triangulator machine! Very cool! Right, there are four different types of triangle. First, here's an isosceles triangle, it has two equal length sides and two equal ...

The three angles in a triangle add up to \(180^\circ\). If two of the angles are known then the third can be calculated by following these steps: Add the two known angles together. Subtract the total ...

Triangles are one of the most basic and well-known shapes in geometry, with a wide range of applications in fields such as engineering, architecture, and mathematics. Calculating the length of a ...

Area of Triangle Formula: In general, "area" refers to the region inside the boundary of a flat object or figure and is measured in square units, with the standard unit being square meters (m²). There ...

Class 9 Maths Chapter 6 Lines and Angles is available here for download in PDF format. We have provided here the latest edition of the chapter which is published by the NCERT on its official website.