Step-by-step explanation:
do 21×3.14= 65.94
then divide by 2 since its a semicircle
equals: 32.97
than find perimeter altogether
21+28+28+32.97= 109.97ft
For the circumference, you actually multiply by 20 because of the formula πd = C [OR 2πr = C]. You meant to double the radius.
Answer:
90 counterclockwise
Step-by-step explanation:
-2 as x would mean it is in the top left quadrant and going back from a clock would be that one
Answer:
that makes no sence we t guy
Step-by-step explanation:
hi hi hi hi hi hi h i hi h h ih i hi hi i hi h
Answer:
11m
Step-by-step explanation:
2(5m)+m=10m+m=11m