Question

Find the area of regular octagon of side 4 cm using formula 2 (side)^2 (1+root2)

Answer 1

Answer:

Step-by-step explanation:

Area of octagon = 2 * side² ( 1 + √2 )

side = 4 cm

Area = 2 * 16 * ( 1 + √2 )

= 32 ( 1 + √2 )

= 32 + 32√2

= 32 + 32 * 1.414

= 32 + 45.248

= 77.248 cm²

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