The dimensions of a rectangles are 5 cm and 4 cm:
Find their areas.

The diagonals of a rhombus are 7.5 cm and 12 cm. Find its area.

The dimensions of a cuboid are 5 cm, 3 cm and 2 cm.Draw three different isometricsketches of this cuboid

Find the dimensions of the rectangle whose area is 24" cm"^2 . How many rectangles can be formed.

A window has the shape of a rectangle surmounted by an equilateral triangle. If the perimeter of the window is 12 m, find the dimensions of the rectangle that will produce the largest area of the window.

The perimeter of a rectangle is 13 cm and its width is 2(3)/4 cm. Find its length.

A pen stand made of wood is in the shape of a cuboid with four conical depressions to hold pens. The dimensions of the cuboid are 15 cm by 10 cm by 3.5 cm. The radius of each of the depressions is 0.5 cm and the depth is 1.4 cm. Find the volume of wood in the entire stand.