几何

图形、长度、面积和角度。

Calculate a circle from its radius, diameter or circumference.

Area, perimeter and diagonal from length and width.

Volume, surface area and diameter of a sphere.

Area, perimeter and angles using Heron's formula.

Volume, slant height and surface areas of a cone.

Volume, base, lateral and total surface areas.

Find a missing side and all main properties of a right triangle.

Volume, surface area and space diagonal of a box.

Area, perimeter, apothem, radius and interior angle.

Area and midline from two bases and height.