Concept explainers
Toprove:The expression
Explanation of Solution
Given information:
The expression
Calculation:
Proportional lengths: Point
Consider a triangle
According to the proportionality of the third suggested method, the value of
Therefore,
And for the lower left segment,
x
x
Now, check whether both are satisfying to not,
Left segment = Upper left segment + Lower left segment
That is equal to the original length of the left segment.
Hence, the expression,
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