Which expressions are equivalent to -2.5(1 -2n) - 1.5n ?
1 answer:
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First we find the measurement of dark dot .
ANd for that we have to use the formula of the angle formed by the intersection of chord .
Let the dark dot be t.
So we have
t and z are linear pair and sum of angles of linear pair =180 degree.
So we get
Answer:
Step-by-step explanation: see attachment below
