Answer
Find out the perimeter of the isosceles triangle.
To prove
As shown in the figure.
P(0,4) , Q(-2,0) and R(2,0) are the vertices of the triangle PQR.
Formula
As P(0,4) and Q(-2,0)
In the isoceles triangle the two sides of the triangles are equal .
Therefore PQ = PR
As Q(-2,0) and R(2,0)
QR = 16 unit
Answer: 9 feet below or -9 feet
Step-by-step explanation:
Let us say 0 is the surface of a pond. The turtle started at -2 and then traveled -7 more. We will add these negative values to each other.
-2 + -7 = -2 - 7 = -9
The turtle is now -9, or 9 feet below, the surface of the pond.
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A. for the circumference it is C=pi(d)=pi(2r)=pi(10)= 31.4 ft
b. for the area it is A=pi(r)^2=pi(5)^2=pi(25)= 78.5 ft squared
c. since the are is 78.5 ft squared multiply by $4.50= $353.25 to floor the circle.