Which of the following conditions is not sufficient to prove that a quadrilateral is a parallelogram?
1 answer:
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Answer:
<h2>D</h2>Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about</h3>- inequality
- algebra
- PEMDAS
first note: it will be more easy if we solve the inequality first
so let's solve it together
so what we get
we get that x is greater than 12
<h2>so the answer would be d</h2>