An oblique cone has a height equal to the diameter of the
base. the volume of the cone is equal to 180 cubic units.
what is the radius of the cone?
2 units
3 units
6 units
9 units
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just take the area of the square and then the area of the circle then subtract the circle area from the squares area

step-by-step explanation:

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.

-9

step-by-step explanation: