Answer:
x=84
Step-by-step explanation:
Steps to solve:
x - 12 = 40
~Ad 12 to both sides
x = 52
Best of Luck!
the answer is 56 it
ttgt
Modern:عشرين
Ancient Egypt:
Two Upside down U’s
i dont know
i don know
A=640.88
if the diameter is 12, the radius , r=12/2=6
we have r=6, h=11
Surface area, A= 2πrh+2π r^2
A=2*3.14*6*11+2*3.14*(6)^2=640.88
