Question

Regular pentagon of side 5.2264789 cm. Find in mm. Find perimeter

Answer 1

Answer:

Regular pentagon

Solve for perimeter

P≈26.13cm

a Side

5.2264789

cm

Solution

P=5a=5·5.23≈26.13239cm

Answer 2

Answer:

P≈26.13cm

Step-by-step explanation:

P=5a=5·5.23≈26.13239cm

Recognizing a Regular Pentagon

A pentagon is a shape that has five straight sides. In this lesson, you'll learn about regular pentagons, which means that all the sides are the same length, and all the angles are the same size. An irregular pentagon has five sides, but the sides can be any length, and the angles can be different sizes. Look at the diagram:

Regular and Irregular Pentagons

You'll find a few examples of what both regular and irregular pentagons look like. Usually, people think of pentagons as being in the shape of a house, but remember that the shape can be turned sideways or even upside down!