Question

exercitiul 2, va rog!​

Answer 1

$s(aria) = l1 \times l2 \times \sin(x)$

$s = 12 \sqrt{2} \times 8 \times \sin(45)$

$s = 12 \sqrt{2} \times 8 \times \frac{ \sqrt{2} }{2}$

$s = 96 \sqrt{2} \times \frac{ \sqrt{2} }{2}$

s=(96×2)/2= 96