Answer:
S ={51,52,53,54}
Step-by-step explanation:
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Answer:
surface area= 2261.95
volume=4423.36
Step-by-step explanation:
cone sa= 628.32
628.32*2= 1256.64
cylinder sa= 1005.31
1005.31+1256.64=2261.95
cylinder v=2412.74
cone v=1005.31
1005.31*2=2010.62
2010.62+2412.74=4423.36
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Answer:
A: Opposite sides of a parallelogram are congruent
Step-by-step explanation:
The only diagonal involved is BD, so none of the statements regrading diagonals has been proven. The only thing proven is ...
AB ≅ CD . . . . opposite sides are congruent
AD ≅ CB . . . . opposite sides are congruent
Step-by-step explanation:
Srectangle=21*30=630cm^2
Ssemicircle=(11.5^2*pi)/2=132.25pi/2=66.125cm^2*pi
Sfigure=630cm*2+2*66.125cm^2*pi=630cm^2+pi*132.25pi
if we assume that pi=3.14
Sfigure=630cm^2+415.265cm^2=1045.265cm^2
I did 25,000 - (-500) = 25,600
I did -500 (negative 500) because it is below the sea level and positive 25,000 because it above the sea level
