Area & Perimeter Of Regular Figures Practice 2
This section features four carefully selected practice questions to help you master the application of area and perimeter formulas commonly tested in exams.
Related Lessons:
Practice 2 - Question 1
A rectangular sign board measures 3.04 m by 5.12 m.
- Find the area of the board correct to 3 significant figures.
- The cost per square metre of the board is $52.70. Find the cost of the board correct to the nearest dollar.
Practice 2 - Question 2
The figure above is made up of 4 identical isosceles triangles in a square. Calculate the area of the shaded part.
Practice 2 - Question 3
In the diagram above, 4 circles of radius 7cm are drawn to fit into a rectangle. Taking \(\pi=\frac{22}{7}\), find
- the length and breadth of the rectangle
- the area of the shaded region,
- the perimeter of the shaded region.
Practice 2 - Question 4
Given PQRS is a trapezium, PQ is perpendicular to QR and PS. PQ=PS=12cm and QR=14cm. Calculate
- the area of the shaded triangle QXR
- the area of the unshaded region