Answer:
The area of the shape is
Step-by-step explanation:
we know that
The area of the shape is the area of a three quarter of circle
The area of a three quarter of circle is equal to
we have
substitute
Suppose a triangle has side lengths 12, 14, and 25. What kind of triangle is it?
2 answers:
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Answer:
There are two possible values for r (area): r =-7 or r=3
Step-by-step explanation:
Given the rectangular rug area is:
We have to convert the above equation into factored form.
So two numbers whose product is -21r² and sum is -4r
<=>
=
= r (r -7) + 3(r -7)
= (r-7)(r+3)
We set = 0
<=> (r-7)(r+3) = 0
<=> (r-7) = 0 or (r+3) = 0
<=> r =-7 or r=3
So, there are two possible values for r (area): r =-7 or r=3