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=
james trained for the boston marathon for 3(1/2) hours every day. how many hours did he train each week?
1 answer:
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so just find the "adjacent" side, using the pythagorean theorem, and even though the square root can give you +/-, use the positive one, assuming the angle is in the 1st quadrant
keeping in mind, that the 2nd quadrant is feasible as well, since the opposite side of +2 can also be in the 2nd quadrant
but anyhow, use the I quadrant