ellieschiller0pdz93k
06.07.2020 •
Mathematics
The following formula is for the area, A, of the curved surface area of a cone.
where r is the radius and / is the slant height of the cone.
Calculate the total surface area of a cone with radius 6 cm
and slant height 13 cm.
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Ответ:
A = 244.92 cm² or 78π
Step-by-step explanation:
A = πrl
r = 6 cm
l = 13 cm
π ≈ 3.14 cm
A = 3.14 × 6 × 13
A = 3.14 × 78
A = 244.92 cm²
Ответ:
490*x + 700*y > 4000
It is < as it can be equal to 4000 per week or less than.