Mrs.Smith paid 125 to have her hair and colored and cut if she tips her hairdresser 15% of her bill, how much was the tip
2 answers:
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The formula for the volume of a cone is V = 
So the answer is 102.63
So the answer is 102.63
Answer:
Step-by-step explanation:
step 1
Find the measure of the arc DC
we know that
The inscribed angle measures half of the arc comprising
substitute the values
step 2
Find the measure of arc BC
we know that
----> because the diameter BD divide the circle into two equal parts
step 3
Find the measure of angle BDC
we know that
The inscribed angle measures half of the arc comprising
substitute the values
therefore
The triangle DBC is a right triangle ---> 60°-30°-90°
step 4
Find the measure of BC
we know that
In the right triangle DBC
substitute the values