Answer & Step-by-step explanation:

The diameter of the circle is 8 m and the radius of the circle is 4 units. So, now we have to plug in the numbers so we can find the circumference and the area of the circle.


So, the circumference of the circle is 25.12 m.



So, the area of the circle is 50.24 units².
Answer:
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Step-by-step explanation:
By pythagorean theorum we calculate the height:

=
= height of triangle
area of triangle = base * height
area = 
There are two triangles so:

Multiply this by 13.25 to get total cost:
=$259.65
Answer:
29000000000.
Step-by-step explanation:
Answer:
<u>1759</u><u>. </u><u> </u> or 27 58/63
63
hope it helps