Find the value of x
1 answer:
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<u>Given</u>:
The satang coin from Thailand has a radius of about 7 mm.
We need to determine the diameter and circumference of the coin.
<u>Diameter of the coin:</u>
The diameter of the coin can be determined by multiply the radius by 2.
Thus, we have;
Substituting r = 7, we get;
Thus, the diameter of the coin is 14 mm.
<u>Circumference of the coin:</u>
The circumference of the coin can be determined using the formula,
Substituting and
, we get;
Thus, the approximate value of the circumference of the coin is 43.96 mm