How many leaves are there if you have 9 clovers?
2 answers:
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Answer:
Step-by-step explanation:
To find the area subtract the area of the semicircle from the area of the rectangle.
Although the line isn’t there, if you imagine there is one, then you will see that you form a rectangle which is the same line as the semicircle’s diameter.
The area of rectangle is:
⇒
⇒
⇒
The area of the semicircle;
⇒
⇒
*Note here that the radius is half the diameter, so it is 7cm, not 14cm
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Finally subtract the two areas;
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L = 
w
a = 12
Length times width = area
L · w = a
w · w = 12
= 12
Divide both sides by
or mulitply both sides by 
(either one is fine)
÷ = 12 ÷
or
= 12
= 18
Square root both sides to get rid of the squared on the w
= 
w = 4.24
a = 12
Length times width = area
L · w = a
Divide both sides by
or
Square root both sides to get rid of the squared on the w
w = 4.24
Answer:
(x -4)^2 +(y +5)^2 = 2
Step-by-step explanation:
The equation of a circle centered at (h, k) through point (p, q) is ...
(x -h)^2 +(y -k)^2 = (p -h)^2 +(q -k)^2
Filling in your given numbers gives ...
(x -4)^2 +(y +5)^2 = (5-4)^2 +(-4+5)^2
(x -4)^2 +(y -5)^2 = 2
