A small rectangular prism has a length of 6 1/2 inches, a width of 4 inches, and a volume of 117 cubic inches. A large rectangular prism also has a length of 6 1/2 inches and a width of 4 inches, but its volume is 175 1/2 in cubic inches. 'How much taller is the large prism than the small prism?
Write your answer as a whole number, proper fraction, or mixed number.
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second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.