-16t^2+400=0
16t^2=400
take square root on both sides.
4t=20
t=20/4
t=5
Triangle X Y Z is shown. Angle Z W X is a right angle. An altitude is drawn from point W to point Y on side Z X to form a right
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-16t^2+400=0
16t^2=400
take square root on both sides.
4t=20
t=20/4
t=5