The base and the perpendicular height are at right angles to each other. The measurements used must be in the same units. For example, to work in cm a 45 mm measurement would have to be converted to ...

Save guides, add subjects and pick up where you left off with your BBC account. The base and the perpendicular height are at right angles to each other. The measurements used must be in the same units ...

Starting from any given rational-sided, right triangle, for example, the (3, 4, 5)-triangle with area 6, we use Euclidean geometry to show that there are infinitely many other rational-sided, right ...