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

Question

3 years ago

14

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

Mathematics

2 answers:

PSYCHO15rus [73] · Answer 1 · 2022-02-27T10:29:25+03:00

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>

hoa [83] · Answer 2 · 2022-02-27T12:54:12+03:00

hoa [83]3 years ago

7 0

Answer: D

Step-by-step explanation: