# What is the Area of Octagon whose side is 4

## Work with steps to find Area of Octagon with sides 4

__Question:__

What is the area of octagon, if it has a side of 4 inches?

__Workout :__

step1 Address the formula, input parameters and values

side = 4 in

step 2 Find Area of Octagon using side value

Area A = 2 (1 + √2 ) s²

= 2 x (1 + √2 ) x (4)² in²

= 2 x (1 + 1.4142 ) x 16 in²

= 2 x 2.4142 x 16 in²

Area A = 77.2548 in²