Assuming it is a Obtuse Scalene Triangle
Side a = 6
Side b = 15
Side c = 13.0767 = 3√19
Answer:
3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679
Answer:
The answer is a
Step-by-step explanation:

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

.