The two sides of interest are equal in length, so set the two lengths equal to each other and go for it! Just remember that you are not asked to find z. Finding z is just a step to finding the lengths of those sides of equal length.
Grace R.
asked • 03/17/21Angle DEF is isosceles and the length of base DF is 8. Find the other two side lengths if DE = 5z - 4 and EF = 3z + 2.
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