You will need 7 because 150 divided by 20 is 7
the 2 angles are congruent so...
x+40=3x set the 2 equations equal to each other
40=2x subtract x from both sides
20=x divide by 2
x=20 is the final answer
Have a blessed day!
Answer:
2:3
Step-by-step explanation:
V = 4/3*pi*r^3
Diameter = 2r
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