Streets A, B, and C are straight and level, and they intersect to form a triangle. If streets A and B intersect at a 60 degree angle and if street C is perpendicular to street B, at what acute angle do street A and C intersect?

A 30 degree
B 45 degree
C 60 degree
D 90 degree

Correct Answer: 30 degree

a - 1a = 3 হলে a3 - 1a3 = (a - 1/a)^3 + 3.a.1/a (a - 1/a) = 3^3 + 3.3 = 27 + 9 = 36
Bissoy MCQ
#গণিত #ত্রিভুজ (Triangle) #Dutch-Bangla Bank Ltd #Dutch-Bangla Bank Ltd - Probationary Officer - 29.07.2011

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