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Sagot :
Answer:
- B. 20√3
Step-by-step explanation:
The height of the equilateral triangle with the side x is:
- h² = x² - (x/2)²
- h² = 3/4x²
- h = x*√3 / 2
We have h = 30, then find the value of x:
- 30 = x*√3 / 2
- x = 60/√3
- x = 60√3/3
- x = 20√3
Correct choice is B
Answer: B
Step-by-step explanation: Because mhanifa said so and he is always right
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