Step-by-step explanation:
first of all you times every number with two 2(n-7) then collect like terms then divide
12433333666 *5ii888888888888888888888 6
1 answer:
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Answer:
m∠CFD=
Step-by-step explanation:
we know that
m∠CFD+m∠DFE= ------> by supplementary angles
we have
that
m∠DFE=m∠DEF=
so
m∠CFD+
m∠CFD=