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svet-max [94.6K]
3 years ago
10

One large bubble separates into four small bubbles so that the total area of the small bubbles is equal to the area of the large

bubble. Each small bubble has a radius of 5 centimeters. What is the radius of the large bubble?

Mathematics
2 answers:
sergey [27]3 years ago
5 0

Answer:

R = 10 cm

Step-by-step explanation:

The area of a spherical shape is given by :

A=4\pi r^2

Where

r is the radius of the sphere

ATQ,

One large bubble separates into four small bubbles so that the total area of the small bubbles is equal to the area of the large bubble.

The radius of each small bubble is 5 cm

Using the given condition,

4\pi R^2=4\times (4\pi r^2)\\\\R^2=4r^2\\\\R=\sqrt{4r^2} \\\\R=2r\\\\R=2\times 5\\\\R=10\ cm

So, the radius of the large bubble is equal to 10 cm.

alexandr402 [8]3 years ago
5 0

Answer:

20cm

Step-by-step explanation:

5cm+5cm+5cm+5cm=20cm

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