Mathematics, 12.11.2020 18:00, bankskry

Please help Find the value of DF given that DE=1.5m−9 and EF=4.5m−42.

The figure shows triangle D E F. All three sides of the triangle are congruent..

answers are one of the following
DF = 7.5
DF = 4.5
DF = 11

Answers: 2

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Please help Find the value of DF given that DE=1.5m−9 and EF=4.5m−42.

The figure shows...