This KS2 maths article explains how perimeter is the distance around a 2D shape and how to work it out on a grid.

Spread the loveA triangle is a versatile geometric shape with a variety of applications in mathematics, engineering, and daily life. One of the essential elements for calculating its area or solving ...

Solve the area of a triangle with our calculator. Learn the area formula and get accurate results quickly with step-by-step calculations.

Common geometric shapes include triangles, quadrilaterals and circles, and many everyday objects have faces that are made up of these shapes. The perimeter of a shape refers to the length of its ...