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zavuch27 [327]
3 years ago
9

Three identical circular coins are lined up in a row as shown (the 10s represent their value, not a length). The distance betwee

n the first and third coins is 3.2 cm. What is the diameter of one of these coins?​

Mathematics
1 answer:
son4ous [18]3 years ago
3 0

Answer:

Diameter of a circle = 1.6 Cm

Step-by-step explanation:

Given:

Distance between first and third coins = 3.2 cm

Find:

Diameter of the coins = ?​

Computation:

Number of circle = 3

In the given figure,distance between the first and third coins is 3.2 cm.

So,

Distance = 1st circle radius + 2nd circle diameter + 3rd circle radius

Distance = 1st circle radius + 2 (radius) + 3rd circle radius

Distance = R + 2R + R

3.2 Cm = 4 R

Radius = 0.8 Cm

Diameter of a circle = 2 × radius

Diameter of a circle = 2 × 0.8

Diameter of a circle = 1.6 Cm

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