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RidhaH
08.11.2019 •
Mathematics
What is the total surface area of the cone with a height of 12 and radius of 5
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Ответ:
Ответ:
R=5
l*l=h*h+r*r
l*l=12*12+5*5
l*l=144+25
l=square root of (169)
l=13
SA=3.14*5*(5+13) = 282.6
Ответ:
Let total amount spent =x
Dita spent 35 % of total amount.
35% of x = 0.35x
So amount spent by Dita = 0.35x
% of money spent by Benton = 20 % of x = 0.2x
We are given that Benton spent $12 more than Claire,
so making equation we have ,
Money spent by Dita = Money spent by Claire +12
x=80
So total amount spent was $80.
Money spent by Benton = 0.2x = 0.2 * 80= $16
So amount spent by Benton is $16.