<span>L = </span>α<span> * R where L is the length of the arc of the circle, R is the radius of the circle, and </span>α<span> is the central angle expressed in radians, so
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18 would be the 7th so... hope it helps
Answer:
x=18
Step-by-step explanation:
2/3x=12
2/3x=36/3 (simplified)
3* 2/3x=3* 36/3 (gets rid of denominator)
2x=36
(2x)/2=36/2 (getting rid of 2)
x=18 (answer by isolatinf variable)
Here,
cost of 3 handkerchiefs = Rs.2.29
Cost of 1 handkerchief = 2.29 ÷ 3
= Rs. 0.763
Therefore, cost of handkerchief per dozen = Rs. 0.763 × Rs.12
=Rs.9.156