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kris22elizondop9v1bb
05.04.2022 •
Mathematics
The cone shaped roof has the height of 30ft and the radius of 15ft find it's lateral area and the surface area
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Ответ:
Step-by-step explanation:
Given that Height of cone shaped roof is 30 ft and radius is 15 ft.
To calculate the lateral surface area and Surface area of the cone we will use the formula given below:
Finding the Slant height of the cone:
![{ \dashrightarrow \: \: { \pink{ \boxed { \: L = 33.541 }}}}\\](/tpl/images/2719/3226/e3b8c.png)
Hence, Slant height of cone is 33.54 feet.Substituting values in above formula:
Hence, Lateral surface area of cone is 1580 feet²
Now, Calculating surface area:
![\\](/tpl/images/2719/3226/53a5f.png)
Hence, surface area of cone is 2287 feet²Ответ:
Yes SAS
Step-by-step explanation:
There are two sides congruent and one angle congruent