Y8 Mensuration Part 2

Find the area of this shape.

The diagram shown the end wall of a wooden garden shed.The other end of the shed is identical. The sides are made up of two rectangles of length 3 m.

Find the total area of the walls of the shed.

Four rods are joined together to form a parallelogram.

What is the maximum possible area of the parallelogram?

Smaller animals have more surface area compared to their volume than larger animals.Because of this, smaller animals tend to lose water and body heat more easily than larger animals. Children have 2 1/2 times as much surface area compared to volume as adults.Thus children are more prone to dehydration and hypothermia.

• True

• False

A gardener uses a roller to flatten the grass on a lawn. The roller consists of a cylinder of radius 30cm and width 70cm. Find the area of grass that the roller covers as the cylinder completes 1 rotation. (to the nearest cm^2)

A ream (500 sheets) of paper is shown in the diagram. If the mass of the ream is 2.5 kg, find the density of the paper.

A barrel is a cylinder with radius 40 cm and height 80 cm. It is full of water. Find the mass of the water in the barrel.

The shape represents a stained glass window. The frame consists of two arcs above a rectangular section. APB has centre C and BQC has centre A. Find the length of material used to make the window frame.

The shape represents a stained glass window. The frame consists of two arcs above a rectangular section. APB has centre C and BQC has centre A. Find the area of glass needed to make the window.