Answer:
Step-by-step explanation:
3x(-2x - 3)
-6x^2 - 9x
answer is C
Take a look at the attachment...
Hope this helps! :)
5.14 km
A semicircle is 1/2 of a circle so the perimeter is just 1/2 of the circumference
C = 2 * pi r for a circle so for a semicircle
1/2* 2* pi *r
pi*r
3.14 * 1
3.14
If we want to include the piece that closes the semicircle, we need to add the diameter
d = 2r = 2(1) = 2
2+3.14 = 5.14
