Question

Find the area of regular octagon of sides 1 centimetre

Answer 1

Answer:

side ,a = 1 cm

area of regular octagon =

$2a {}^{2} (1 + \sqrt{2} )$

$2 \times (1) {}^{2} (1 + \sqrt{2)}$

$2(1 + \sqrt{2)}$

$2 + 2 \sqrt{2}$

$2 + 2 \times 1.41$

$2 + 2.84$

$4.82 \: ans$