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NightSun8891
04.12.2019 •
Mathematics
Find the surface area of a cone with a radius, r, of 5cm and a slant height, l, of 5cm.
a. 134.4 cm2
b. 140 cm2
c. 157 cm2
d. 163 cm2
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Ответ:
A=π*5(5+√25+25)
A=π*5(5+√50)
A=189.61cm
sorry u dont have answer in options
are u sure both height and radius=5 cm?
Ответ:
x+4=12
x in this equation would be 8