Answer:
<u>46.77 cm</u>
Step-by-step explanation:
Perimeter of the semicircle = Circumference + 2r
- πr + 2r = r (π + 2)
- 9.1 (3.14 + 2)
- 9.1 (5.14)
- <u>46.77 cm</u>
4/16, 5/20, 6/24, 7/28, 8/32...
Answer:
49.33
Step-by-step explanation:
Answer:
(x-7)/(x+2)
Step-by-step explanation:
(x-7)(x+7)/(x+7)(x+2)
(x-7)/(x+2)
Answer:

Step-by-step explanation:
Soh-cah-toa is a great way to remember:

You just remember the first letters : sine= opposite/hypotenuse , for example.