Final answer:
The sum of the heights of Radhika, Gopu, Ashish, and Komal is a) 472 cm.
Step-by-step explanation:
The question asks for the sum of the heights of Radhika, Gopu, Ashish, and Komal.
Since the average height of the four individuals is 118 cm, we can find the sum of their heights by multiplying the average height by the number of individuals.
So, the sum of their heights is 118 cm x 4 = 472 cm.
Therefore, the correct answer is option a) 472 cm.