Respuesta :

bekkarmahdi702

Answer:

First

Step-by-step explanation:

● tan 30° = opposite/adjacent

Let x be the missing hight

● tan 30° = x/15

Multiply both sides by 15

● tan 30° *15 = (x/15)*15

● tan 30°*15 = x

● x = 8.66 wich is approximatively 5×√(3)

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