let's say the breakfast price was "x", so that's the 100%, and we know she gave 20% of that and that is 1.80.
so, 1.80 is 20%, and "x" is the 100%, what is "x"?
Please help me if you know the answer and can you explain it to me
1 answer:
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It is given that .
Now, know that in 180 degrees there are radians. This can be written as:
radians
radians (dividing both sides by 180)
Thus, to find the measure of the given angle of in radians, we will have to multiply the above equation by 135. Thus, we get:
radians
radians
Thus, equivalent to the radian measure of angle a is 2.356