Answer:
1520.5 in^2
Step-by-step explanation:
Surface area=2*pi*r^2+2*pi*r*h=2*pi*r*(r+h)=2*pi*11*22=1520.5 in^2
Answer:
the measures of 2 supplementary angles add up to 180°
Step-by-step explanation:
hopefully this helps :)
Answer:
39π cm
Step-by-step explanation:
The circumference (C) of a circle is calculated as
C = 2πr ( r is the radius )
Here r = 19.5, thus
C = 2π × 19.5 = 39π cm
Answer:
im not 100% sure but i think 1.5
Step-by-step explanation:
sry if not