Question

помогите пж срочнооо! прошу вас ​

Answer 1

$S = S_1 + S_2 + S_3 + S_4 + S_5 + S_6$

$S_1 = S_2 = S_3 = S_4 = S_5 = S_6$

$S = 6S_1$

$S_1 = 6a^2$

$S = 6 * 6a^2 = 36a^2$

$S = 36 * 2^2 = 36 * 4 = 144$

$S = 144$