14) The cube root of 64 = 4, and the cube root of 27 = 3.
(4x)³ + (3)³
a = 4x, b = 3
(4x+3)(4x²-12x+9)
15) The cube root of 8 = 2, and the cube root of 125 = 5
So (2x)³ - (5)³
a = 2x, b = 5
(2x-5)(2x²+10x+25)
With a given radius you can multiply by 2 and simply get the diameter. Getting the diameter of the circle would then allow you to use the equation pi(24.5). You can round pi to 3.14. 3.14*24.5=76.93. The circumference is 76.93.
Answer:
<em><u>163.5 will be your answer :)</u></em>
The second choice is best.
Show that c=x, so ΔABC ≅ ΔRTS and so ...
_____
The fact that a²+b²=c² is proof enough that ΔABC is a right triangle.
Answer:
l( longer side ) = 12cm
S (shorter side) =9cm
D's( distance between the shorter side). ( It is also the height. I hope you got the clue…)
Anyway,
Area=9X8=72cm^2
Distance of the longer sides is
Area/the length of the longer side
72/12=6cm…
Distance between the longer sides is 6cm
Hope this helps…