sofiahemed22 sofiahemed22

13-02-2021
Mathematics

contestada

A solid cone of height 12cm and radius 9cm is recast into a solid sphere. Calculate the surface area of the sphere

Respuesta :

Yooniverse00 Yooniverse00

13-02-2021

Answer:

1017.8

Step-by-step explanation:

this is the formula 4πr2

hope this helps: )

Answer Link

13-02-2021

Answer:

Step-by-step explanation:

Volume of cone = π9²⋅12/3 = 324π cm³

volume of sphere = 4πr³/3 = 324π

r = ∛243

surface area of sphere = 4πr² ≈ 155.8π

Answer Link

Otras preguntas

mark earned $8 per hour plus and additional $50 in tips waiting tables on saturday. He earned $165 in all.

An acquiring company issues 500,000 shares of $6 par value common stock to acquire 100% of the voting common stock of an investee company in a transaction that

Which of these statements is true?

President Monroe authorized a survey of the Santa Fe Trail A. To map the borders of the United States. b. to map enough of the trade route for traders to begin

What were the effects of the interstate highway system? Check all that apply. It enabled faster travel throughout the country. It improved the safety of road tr

bob wants to sub 3x + y = 13 into 4x +3y = 6 he needs to do what to get this

A 3 kg purple ball moving at 2 m/s to the right collides with a 2 kg white ball at rest. After the collision the purple ball comes to rest (0 m/s). What is the

simplify 7 − 5(3)2 ?

Which is the correct way to write the following sentence? He takes the same items to work every morning a lunch bag, a thermos.... A.morning; a B.morning: a C.m

As a result of Greek expansion around the Mediterranean and Black Seas, _______________. A. new ideas spread to and from Greece B. the Greeks built a powerful