Question

Find the perimeter around the given semicircle. ​Use 3 . 143.14 as an approximation for \mathrm{\pi }π. me math grade is low help plz

Answer 1

Answer:

P=12.56

Step-by-step explanation

Formula 1 :  $P= \frac{1}{2}(\pi)(d)$

$P=\frac{1}{2}(3.14)(8)$

What I did there was I substituted or plugged in the given information and I combined them.

$\pi =3.14\\d=8$

When you solve it, your answer should be: $P=12.56$

Hope this helps and answers your question. :D

Answer 2

What is the number of electrons in the element?