This is a 30-60-90 triangle. What is the measure of x? 3.8 A Х x = 1.9V[?]
1 answer:
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Answer:
-3
Step-by-step explanation:
we khow that the vertex form of a function is written this way :
f(x)=a(x-h)²+k
- the coordinates of the vertex are (h,k) so from the graph we can deduce that k = -3
