Answer:
first answer is correct
Step-by-step explanation:
Hello, we want to write 2 + 4 + 6 + ... + 20
for n = 1, 2n = 2*1 =2
for n = 2, 2n = 2*2=4
for n = 3, 2n=2*3=6
etc
so

thanks
Answer:
Step-by-step explanation:
The track has four sides of the square and the distance around 2 complete circle(s)
Answer:
312.38
Step-by-step explanation:
first get the area of the circle which will be 490.625 then subtract the rectangle to get the round area with grass-290.625
then in that square there is a triangle covered with grass so get the area of the triangle-22.75 then add the area of the triangle to the rounded part with grass
Ohhhh, I did this stuff last year. i wish i can remember... but your best bet is A because that angle is super small so A would be best. Hope I helped brainliest plz