Area of Triangle

Mensuration

Area of Triangle

a. Area of triangle ABC =\(\sqrt{s(s-a)(s-b)(s-c)}\).

b.This formula is known as hero's f...}

Triangular prism

Mensuration

Triangular prism

Base area of triangle prism = Area of \( \Delta ABC \) or area of\( \Delta EFG \)
Laternal (...}

Cylinder

Mensuration

Cylinder

Curved surface area of the cylinder (CSA) = 2\(\pi\) rh

Total surface area of hollow...}

Sphere and Hemisphere

Mensuration

Sphere and Hemisphere

  1. Curved surface area of hemisphe...}

Cone

Mensuration

Cone

In our context, the cone is right circular cone only.

Total surface area of the cone = \(\...}

Pyramid

Mensuration

Pyramid

A pyramid is the three-dimensional solid figure in which the base is a polygon of any number of s...}