Question

The perimeter of the polygon is 27.4 centimeters. Write and solve an equation to find the unknown side length.

Answer 1

x = 7.1

Explanation:

6.3 + 5.6 + 8.4 + x = 27.4

20.3 + x = 27.4

20.3 - 20.3 + x = 27.4 - 20.3

x = 27.4 - 20.3

x = 7.1

6.3 + 5.6 + 8.4 + 7.1 = 27.4