**Shapes Perimeter And Area**. Which figure in each set is congruent to When both dimensions of a shape are doubled, its perimeter is doubled and its area is four times bigger. Write down the formulae for the following This Area and Perimeter Worksheet will produce nine problems for solving the area and perimeter of different types of polygons.

Flipped lesson showing how to find the area and perimeter of irregular shapes. In this section we will discuss about Perimeter and Area of Irregular Shape. Scroll down the page for more examples and solutions using the geometry formulas.

### Round off your answers to two decimal places where necessary.

The area of a three-dimensional shape is worked out by adding the area of each of its faces together.

Perimeter and Area of Irregular Shapes. An ellipse is a figure outlined by a path where the sum of the distances from two focal points are constant. Is there a java library which provides mathematical functions to calculate the above?