It's unclear what the planes are supposed to be, so I'll take
and
with
.
The cross sections are disks with diameter
, so each disk of thickness
has a volume of

Then taking infinitesimally thin disks, we find the solid has a volume of

Since

and


it follows that the volume is



Answer:
the third one
Step-by-step explanation:
the square root of 25 is 5. 5+2 = 7.
this is a rational number (the set of all integers and fractions).
the other 2 portions contain at least one element that is not rational. and so the sum with such a number is not rational.
45 and 7 are no square numbers, and therefore the square root of these numbers contains a neverending chain of digits after the decimal point without having any repeating pattern. these are real numbers but not rational numbers.
A. -1.3
B. 4.5
C. -5.4
D. 3.1
Answer:
x=132 degrees
Step-by-step explanation:
x is the alternate interior angle of 39+93
x=132 degrees