arwolfgang arwolfgang

02-05-2017
Mathematics

contestada

If the circumference of a spherical object is 31.40 cm, what is the surface area of the object? Use 3.14 for pi.

Respuesta :

egenriether egenriether

02-05-2017

Circumference is 2*pi*r. From your circumference we get the radius of 5. Surface area of sphere is 4*pi*r^2 which gives 314 cm^2 for area

Answer Link

Otras preguntas

Megan is putting 35 books into 3 boxes. Each box holds 15 books. How many more books can Megan put in the boxes? We know the answer is 10, but can't figure out

The tropics are hotter than the poles because the sun strikes this area of earth more what

How do you turn z to the 1st power into a fraction?

Which identifies that a chemical reaction has occurred? A. New substances are produced. B. The color has changed. C. Bubbles have formed. D. Te

Which transitional word correctly begins the second sentence in this paragraph? Like many realist writers, Tolstoy uses a simple writing style in his novella Th

How would you graph this

A random sample was taken to determine whether students from a certain classroom prefer to shop at Store A, Store B, or Store C. There were six students in the

A monopolist manufactures and sells two competing products, call them I and II, that cost $42 and $35 per unit, respectively, to produce. The revenue from marke

What is 5.336 rounded to the nearest tenths

The Crusades helped increase the size of farms as more Crusaders became merchants and traders. True False