Area & Perimeter Of Regular Figures Examples
In this section, we are going to run thru 4 examples on how to apply the formula for area & perimeter of regular figures effectively.
Related Lessons:
Example 1
ABCD is a parallelogram. The area of triangle ABC is 39\(cm^2\). AB=13cm and CN=7cm. Calculate
- the length BN
- the area of ABCD
- the area of ABNC
Example 2
PQRS is a parallelogram. SX is perpendicular to QX. PS=19cm, RX=12cm and the area of triangle PRS is 57\(\)cm^2\(\). Calculate
- the area of parallelogram PQRS
- the length of SX
- the area of PQXS
Example 3
In the given figure, a circle is enclosed by a regular trapezium. Taking π to be \(\frac{22}{7}\), find
- the circumference of the circle
- the area of the shaded region in \(\)cm^2\(\)
Example 4
The diagram shows a square of side 14cm and two quadrants which overlap each other inside the square. Find the area of the shaded region. Taking π to be \(\frac{22}{7}\)