Answer:
<h2><em>
A = 75 in²</em></h2>
Step-by-step explanation:
We have the rectangle and the right triangle.
The formula of an area of a rectangle:
<em>A = lw</em>
<em>l</em> - length
<em>w </em>- width
We have <em>l = 10 in</em> and <em>w = 5 in</em>. Substitute:
<em>A = (10)(5) = 50 in²</em>
The formula of an area of a triangle:
<em>A = 1/2 bh</em>
<em>b</em> - base
<em>h</em> - height
We have <em>b = 5 in</em> and <em>h = 5 in + 5 in = 10 in</em>. Substitute:
<em>A = 1/2(5)(10)=1/2(50)=25 in²</em>
The area of figure:
<h3><em>
A = 50 in² + 25 in² = 75 in²</em></h3>
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Answer:

Step-by-step explanation:
The standard equation of a parabola with vertex at the origin and and directix x=-p is of the form

Where p is simplify the distance from the origin to the directrix.
That is


This simplifies to

Equation of circle is 
Step-by-step explanation:
The standard form of the equation of circle is:

where (h,k) is the center of the circle and r is the radius of circle.
We need to find the radius of circle r by using distance formula:

r=√26
and r^2= 26
Putting values of r^2=26 and value of center (h,k)=(0,-2)
the equation of Circle is:

Keywords: Equation of circle
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