Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-diagram based-Easy-Class 12
In the diagram shown above, if the distance AB is 10 cm, BC is 10 cm, and CA is 10 cm, what is the mean length l of the equilateral triangle ABC?
A
10 cm
B
30 cm
C
3.33 cm
D
None of the above
Correct Answer
Option A
Detailed Explanation
The mean length of an equilateral triangle is calculated as the sum of the lengths of its sides divided by 3. Given AB = BC = CA = 10 cm, mean l = (AB + BC + CA) / 3 = 10 cm.
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