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- ➠ Principal = $ 35000
- ➠ Rate of interest = 3%
- ➠ Time = 3 yrs (36 months)





An arc of length 30 m : l = 30 m.
r = 15 m, ∠ A = ?
Formula for the length of an arc is:
l = r π A / 180° ( where A is the central angle )
A = l · 180 / r π = ( 30 · 180 ) / ( 15 · 3.1415926 ) = 114.43 °
This is very close to your result.
Answer:
The two trangle's relation by S.AS
Whoever worded this question made it confusing, 87.5%?