Answer:
2r(2r)
R
Pi/4
Pi times r cubed
Step-by-step explanation:
Believe it or leave it
5(2x^2 - 5x - 3) = 5(2x + 1)(x - 3)
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This is a geometric series with a common ratio between successive terms that is less than 1 in absolute value. This means the series will converge. The value of the sum is
.
Answer:
4
Step-by-step explanation:
Answer:
the other two angles are 70° and 20°
Step-by-step explanation: