If HG=20 and IJ=24. Find the length of EF.
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If HG=20 and IJ=24. Find the length of EF.
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Answer
28
Analysis
It is the median of trapezoid EFGH
So: {Theorem}
⇒ {Distribute through the parenthesis}
⇒ {Multiply both sides of the equation by 2}
⇒ {Move the variable to the left-hand side and change its sign}
⇒ {Move the constant to the right-hand side and change its sign }
⇒ {Calculate the difference}
⇒ {Change the signs on both sides of the equation}
⇒ {Solution}
Hence the length of EF is 28.
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