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ijohnh14
22.10.2019 •
Mathematics
Acone-shaped hat is shown:
a cone is shown with slant height 18 cm and radius 5.7 cm. the unknown height is labeled with a question mark, and the line joining the tip of the cone to the base is perpendicular to the base.
what is the approximate height of the hat?
3.51 centimeters, because height = square root of the difference of 18 and 5.7
17.07 centimeters, because height = square root of the difference of the squares of 18 and 5.7
18.88 centimeters, because height = square root of the sum of the squares of 18 and 5.7
4.87 centimeters, because height = square root of the sum of 18 and 5.7
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Ответ:
h^2=x^2+y^2
18^2=5.7^2+y^2
y^2=18^2-5.7^2
y^2=291.51
y=√291.51
y≈17.07
It's the second explanation down...
Ответ:
B. 17.07 centimeters, because height = Square root of the difference of the squares of 18 and 5.7.
Step-by-step explanation:
The formula of height (h) of a cone is:
, where,
Upon substituting slant height = 18 cm and radius = 5.7 cm, we will get,
Therefore, the height of cone is 17.07 cm and option B is the correct choice.
Ответ:
6,500, well according to my calculations
Step-by-step explanation: