A central angle measuring 120° intercepts an arc in a circle whose radius is 3.
1 answer:
Answer:
6.28
Step-by-step explanation:
The length of arc which subtends an angle at the center of a circle is given by
where r is the radius of circle.
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given
the central angle of arc is 120°
we will use value of as 3.14
r = 3
Length of this arc is
The length of the arc to the nearest hundredth of unit is 6.28
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Answer:
Step-by-step explanation:
Given
Number of Toys = 50
Unit Cost Price = $5.5
Unit Selling price = $15
Required
Determine the profit after sales
First, we need to determine the total cost price;
First, we need to determine the total sales;
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Half of the toy was sold at $15;
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Two-fifth of the remaining was sold at half of the sales price
From the above calculation;
<em></em>
<em>Calculating Two-fifth of the remaining:</em>
<em>Calculating half of the sales price:</em>
This means that 10 toys were sold for $7.5
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The remaining was sold at one-third of the sales price
From the above calculations (1 & 2);
<em>Calculating </em>one-third <em>of the sales price:</em>
This means that 15 toys were sold for $5
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Now the total sales can be calculated;