In a right-angled triangle ABC, if angle B = $90^\circ$ and AB = 5 cm, BC = 12 cm, then what is the value of sin A?
A. $\dfrac{5}{12}$
B. $\dfrac{12}{5}$
C. $\dfrac{5}{13}$
D. $\dfrac{12}{13}$
Answer:D
In a right-angled triangle ABC, if angle B = $90^\circ$ and AB = 5 cm, BC = 12 cm, then what is the value of sin A?
A. $\dfrac{5}{12}$ B. $\dfrac{12}{5}$ C. $\dfrac{5}{13}$ D. $\dfrac{12}{13}$