samanthamunevar samanthamunevar

26-04-2017
Mathematics

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I don't understand how this is done ✅ can someone help me plz B only

I dont understand how this is done can someone help me plz B only class=

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JustDoAKermit JustDoAKermit

26-04-2017

line BCE is supplementary, which means its straight or it is 180 degrees. so you take the angle of BCF, which is 63, and subtract that from 180 to get 117, so the measure of angle FCE is 117 degrees

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Alejandroasdfg Alejandroasdfg

26-04-2017

m of angle FCE + 63 =180 (give that they are supplementary)
180-63=FCE
117=m of angle FCE

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