Answer: 4.51 cm
Step-by-step explanation:o Area of circle=pi×r^2
Given area=64 cm sq.
so, 64=3.14×r^2
64/3.14= r^2
20.38= r^2
√20.38=r
4.51=r
Therefore, radius= 4.51 cm
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Answer:
median is the middle value
mean is the average
mode is the one that occurs most
range is the highest number - lowest number
The area of this figure is 30 square cm.
Explanation
The figure consists of a rectangle and right angled triangle.
length of the rectangle l=6cm
breadth of the rectangle b=4 cm
area of the rectangle=lb=6*4 =
hypotenuse of the right angled triangle=5 cm
height h=4 cm
we have to calculate the base using pythagoras theorem
area of the triangle=
are of the figure=area of the rectangle+area of the triangle=24+6=30 sq cm
Replace a and b with the given values:
3.14(3^2 + 3x4)
Simplify:
3.14(9 +12)
3.14(21)
Multiply:
3.14 x 21 =65.94
It is implied from the given conditions that
Unmarried employees = 45
Unmarried employees that work full time = 30
Part time working employees = 25
Unmarried employees that work part time = 15
Married employees that work part time = 10
Thus
The probability of a part time employee = 25/85
The probability of an unmarried employee = 45/85
Hence probability that an employee works part
time or is not married = (25/85) + (45/85)
= (25 + 45) / 85
<span>= 70 / 85</span>
