Question

помогите пожалуйста срочно.

Answer 1

$p = 4 times 2 frac{3}{4} = 4 times frac{11}{4} = 11 : sm \ s = {(2 frac{3}{4}) }^{2} = 2 frac{3}{4} times 2 frac{3}{4} = frac{11}{4} times frac{11}{4} = frac{121}{16} = 7 frac{9}{16} {sm}^{2}$