If a pole 6 m high casts a shadow 23 m long on the ground , then the elevation of the sun is -
A
60°
B
45°
C
30°
D
90°
Correct Answer: 60°
ABC হতে tan𝜃 = ACBC⇒tan𝜃 = 623⇒tan𝜃 = 33⇒tan𝜃 = 3⇒tan𝜃 = tan600⸫ 𝜃 = 600