A cone has a circular base with a diameter of 18 inches. the height of the cone is 40 inches. what is the approximate lateral ar
ea of the cone? use 3.14 for π and round to the nearest whole number. 565 square inches 580 square inches 1,131 square inches 1,159 square inches
2 answers:
The lateral area of a cone is expressed as:
<span>Lateral surface area of a cone: L = πrs = πr√(r^2 + h^2)
</span>L = π(9)√(9^2 + 40^2)
<span> L = 1159.248
Therefore, the correct answer is the last option. Hope this answers the question. Have a nice day.
</span>
Answer: D
Step-by-step explanation:
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