Question

Help plz, Thank you!!! :)))

Answer 1

Step-by-step explanation:

9.42

hope it helps you☺☺

Answer 2

$perimeter \: of \: semicircle \: \\ \pi \: r ^{2} \div 2$

$3.14 \times 1.5 {}^{2} \div 2$

$3.5325$