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N76 [4]
2 years ago
9

Somebody Help me with this!!

Mathematics
1 answer:
kiruha [24]2 years ago
3 0

Step-by-step explanation:

We know that the lenght of an arc is pi. Therefore:

pi = 1/2pi*r where r is the radius

r = 2

On one side we have 2 circles, so the lenght of 1 side is 2. The perimeter will be 2*4 = 8.

*Note: the first equation I wrote can be derived from the general equation for calculating the lenght of a circumference known its radius (L = 2 * pi * r).

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