1/u = 1/f -1/v
1/v = 1/u + 1/f
3 3/5 * 5/7
Convert the mixed number into a improper fraction.
18/5 * 5/7
Multiply the numerator(18) by the other numerator(5) while multiplying the denominator(5) by the other denominator(7).
Final Answer: 90/35 or about 2.6 *Both answers are equivalent to each other.
Answer:
here
Step-by-step explanation:
it is basically a sector , use the area formula i.e.
[(theta)/360]*πr^2