BAC is 90° AB= 15 AC=20 ad is altitude on bc de is perpendicular to Ac df is perpendicular to ab find ef
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EF = 12 units
Step-by-step explanation:
In the triangle, AB=15 and AC=20
AD can be found by applying area formula i.e., 1/2*AB*AC =1/2*AD*BC=Δ
We get, AD = 12 units.
Here, EAFD form a rectangles so the the diagonals of EAFD i.e., EF and AD are equal in magnitude.
Therefore, EF = AD = 12 units
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