To calculate the area of a triangle in Excel, you need to use this formula = (<cell with length>*<cell with height>)/2. If the length is given in the A1 cell and height in the B1 cell, you need to ...

Last week, I showed you two shapes and asked you to calculate the colored area. One was a kite inside a circle that looked like this: The area of the kite is 40.

For a right-angled triangle, follow these steps to calculate the length of a side, x, when another side and an angle Ɵ is given: Label the two sides that contain information in the diagram with ...

Calculate missing angles in triangles, quadrilaterals, polygons and circles involving perpendicular bisectors and tangents as part of National 5.