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

can you please help me on question 3 and 4?

A syndrome that is bothersome urgency accompanied by day and night frequency

Having trouble with this❤

To have friends, one must _____. -be friendly -be talkative -be entertaining

Round the number to the nearest thousand. 8,761

Find the slope between (4,2) and (-6,8

please help me!!!!!!

The little brother did all he could to thwart his sister’s plan of sneaking out of the house

Read this passage from A Wrinkle in Time by Madeleine L'Engle. Then, answer the question(s). "Meg, is something troubling you? Are you unhappy at home?" Mr. Jen

Ezra rides his bike from home at point H(-1,2) to school at point S(2,2), to the comic book store at C(2,-2) and then back home again. If each unit represents o