beodyellis8 beodyellis8

03-05-2017
Mathematics

contestada

If the ratio of the radii of two spheres is 2:3, the ratio of their surface areas will be 8:27.

Respuesta :

mreijepatmat mreijepatmat

05-05-2017

The ratio of 2 similar areas is the square of the ratio of their RADIUS or (sides)
R²=(2/3)² = 4/9 This should be the answer

Whereas R³ = (2/3)³ = 8/27 is the ratio of their volume & not area

Answer Link

Otras preguntas

Vegetarian diets are associated with increased consumption of:.

2+2 A.4 B.8 C.1 D.200 I really need help

HELP ASAP!!!!!!!!!!!

A plane is flying from one airport to another. Would it be better to use a globe or a flat paper map to find the shortest distance for the flight?

A man swims in circles round Kirkcaldy pool and wants to know how far he has travelled at certain points, Calculate the distance travelled between F- > A (In

Whats the answer to this?

Where were most of the Nazi death camps located? Question 5 options: Belgium Germany Poland Russia.

Find the area of the trapezoid A.) 270 mm2 B.) 375 mm2 C.) 750 mm2 D.) 3780 mm2 I need this answer in 5 MINUTES!

Match the vocabulary word with the proper definition.

Jason bought a gold coin for n dollars. Later, he sold the coin for 1.1n dollars. Which describes the change in the price of the coin? A. 0.1% increase B. 1%