Ambrose: What's the perimeter? Pizza Boss: The perimeter is the outside of the shape, like the room. The area is the inside. Perimeter outside, area inside. Perimeter outside, area inside.

The area of a right triangle is 28 cm2. One of its perpendicular sides exceeds the other by 10 cm. Find the length of the longest perpendicular side. The perimeter of a rectangular pool is 56 meters.

Save guides, add subjects and pick up where you left off with your BBC account. 1. Calculate the lengths of the missing sides. The total height of the shape is 10 m, subtracting 6 m leaves us with ...