Nicola went to Italy she changed €800 into the exchange rate is £1 = 10 40 change €800
1 answer:
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Let and
be these consecutive integers. For some base
, we can write
If
then
Now,
Squaring both sides gives
and so
(because the base has to be non-zero)
Answer:
Third option.
Step-by-step explanation:
You need to remember that the formula used to calculate the arc lenght is:
Where "r" is the radius and "C" is the central angle in radians.
You need to solve for "C":
You know the radius and the arc lenght, therefore, you can substitute values to calculate the central angle in radians. Therefore, this is: