Choose one of the parallel sides as your base and measure its length. Then, find the height by measuring the perpendicular distance between the two parallel sides. Step 3: Use the Formula for ...

The base and perpendicular height are at right angles. Showing that a parallelogram has the same area as a rectangle: Split the parallelogram into a right-angled triangle and a trapezium. Move the ...

A rhombus is a quadrilateral with four equal sides, a quadrilateral with two diagonals perpendicular to each other at the midpoint of each line is a rhombus, a parallelogram with two adjacent sides ...

When it comes to geometry, rectangles are among the most commonly known and understood shapes. One important aspect of a rectangle that is often overlooked is calculating its diagonal. A diagonal is a ...