colombia50 colombia50

03-07-2017
Mathematics

contestada

What is the surface area of a sphere with a radius of 7 feet?

Respuesta :

koziadam koziadam

03-07-2017

Use thy formula for surface area of a sphere.

4(pi)r^2
4(pi)(7)^2
4(pi)(49)
196(pi)

615.75

Answer Link

apologiabiology apologiabiology

04-07-2017

SA=4pir^2
r=7
SA=4pi7^2
SA=4pi49
SA=196pi square feet

if we used pi=3.14 then
SA=615.44 square feet

Answer Link

Otras preguntas

How do octopus use Newton's third law of motion to escape from enemies

the Crimean war was the result of a struggle between ... and the ... ?

Why was the road to democracy more difficult for France then for England?

What is the name of the cell organelle that is shaped like a flattened disc, contains stroma and stacks of thylakoids, and is the site of photosynthesis?

How do you say it's 1:45 in french A) ll est une heure moins quart. B) ll est un heure quarante-cinq. C) ll est un heure moins quart. D) ll est une heure quadra

Choose the correct answer: 1) If I want to communicate with a foreign friend, I .... rather e-mail him. (will-am-would-can) 2) It's dangerous to look at the sun

I need help on number 6)

what was the battle cry of the colonists

Which words in the sentence are the adverb clause? Although my grandmother works, she calls us every week to ask about our lives. A. she calls us B. every week

What is 3.2 x 10^-4 m/h in centimeters per second? a) 8.889 × 10^−6 cm/s b) 8.889 × 10^−5 cm/s c) 1.152 × 10^−5 cm/s d) 1.152 × 10^−7 cm/s