2. A teacher buys 144 erasers for her class. She gives each child an equal amount. There are 24 students in the class. How many
2 answers:
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Answer:
Dear user,
Answer to your query is provided below
The building is 60.77 ft tall.
Step-by-step explanation:
Explanation is provided below in the image attached
Given:
The radius of the cone = 14 ft
The slant height of the cone = 27 ft
To find the lateral surface area and the total surface area of the given cone.
Formula
The lateral surface area of the cone is
and
The total surface area of the cone is
where,
r be the radius and
l be the slant height of the cone.
Now
Taking r = 14 and l = 27 we get
sq ft
or, sq ft
Again,
sq ft
or, sq ft
Hence,
The lateral surface area of the cone is 1187.5 sq ft and the total surface area of the cone is 1803.3 sq ft. Option C.