to calculate pi you can use the Nilakantha Series.
We have :
s - 39⁰+ s - 9⁰ = s + 29⁰
s + s - s = 29⁰ + 9⁰ + 39⁰
s = 77⁰
Answer: 77⁰
Ok done. Thank to me :>
Answer:
Step-by-step explanation:
0.525
21/40 as a decimal is 0.525.