Register

Why is the formula for curved surface area of a cone πrl? I just don't get how that makes sense, why not dlπ, so you find the circumference, and then times that by the leng…

Why is the formula for curved surface area of a cone πrl? I just don't get how that makes sense, why not dlπ, so you find the circumference, and then times that by the leng…
97.3k views
0 votes
Why is the formula for curved surface area of a cone πrl? I just don't get how that makes sense, why not dlπ, so you find the circumference, and then times that by the length? Doesn't that only give us half the curved surface area?

Why is the formula for curved surface area of a cone πrl? I just don't get how that-example-1
User Yoonju
by
7.6k points

1 Answer

5 votes
Hey I feel, I had the same issue. Here's the thing, math doesn't always make sense. Just remember that anything that has to do with circles (like cones) utalizes the radius, not the entire diameter
User Brett Allred
by
8.4k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!