Seudónimo Seudónimo

20-02-2021
Mathematics

contestada

If a radius of a sphere is divided by 2, will the surface area be divided by 2?

Respuesta :

aracelialvmen12 aracelialvmen12

20-02-2021

If r is the radius of a sphere its surface area = 4(pi)r^2.

If the radius is doubled then its surface area = 4(pi)(2r)^2 = 4*4(pi)r^2.

So the surface area becomes 4-fold or the increase in surface area is 300%.

Answer Link

Otras preguntas

Is executive dysfunction a mental illness?

Trish is taking care of the Han family's dogs. The Hans leave 7 cans of dog food for the 3 days they'll be away. How much food will the dogs get each day if Tri

A square has an area of 110 square units. What is the approximate length of each side? Explain.

Given the function f(x) = 2|x + 6| – 4, for what values of x is f(x) = 6?

Use order of operations to simplify

Marissa toma (is taking) ____ en la universidad.

Simplify –(4x – 8y) + 4x + 8y

I need help on adding & subtracting integers. This is the problem-24+5, 15+(-3), -17+7, -10+28, -13+(-3), 16-6, -12-6, 4-9, -2-(-3), -8-5, -10-(-3), 9-(-7),

when do you think of healthy what words come to you mind ?

What are the three most popular methods of transportation in alaska today?