Question

6. In an equilateral triangle, prove that three times the square of one side is equal to four
times the square of one of its altitudes.
7. Tick the correct answer and justify: In A ABC, AB = 613 cm, AC = 12 cm and BC=6 cm.
The angle B is :
(A) 120°
(B) 60°
(C) 90°
(D) 45°​

Answer 1

Answer:

3 is the real answer

Step-by-step explanation:

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