Answer:
So let me help you!
Step-by-step explanation:
KF = 8 units
m∠DFE = 90°
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We know that DK is 16 so you would just have to divide it by 2
[tex]\frac{16}{2} =8[/tex]
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Since EF is a bisector, split it right down the middle means it will be equal to 90 degrees.
