When the soil in my backyard begins to thaw, the first shoots of green to emerge and reach for the sun are onions. By late ...

TRIANGLE: Now he's 4 cm high and 3 cm wide, like me. He's 12 square cm, so I must be half that… 6 square centimetres! And whatever shape I am it still works! RECTANGLE: You're just really embarrassing ...

Bookmarks break, this extension makes sure mine never do.

To calculate the area of a composite shape you must divide the shape into rectangles, triangles or other shapes you can find the area of and then add the areas back together. You may have to calculate ...