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1 vote
STVU is an isosceles trapezoid. If SV= 3x - 11 and TU = x + 13, find the value of x.

STVU is an isosceles trapezoid. If SV= 3x - 11 and TU = x + 13, find the value of-example-1

1 Answer

4 votes
In an isosceles trapezoid, the two diagonals are congruent.
Therefore SV=TU, or 3x-11=x+13
Solve for x in
3x-11=x+13
subtract x-11 from either side to isolate x,
3x-x=13+11
2x=24
x=12

Check: SV=3(12)-11=25 = (12)+13 = TU, ok.

Answer: x=12
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