ll821301 ll821301

02-12-2020
Mathematics

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Please Help I Keep asking if someone can help me with this and no one actually helped me please help This is the Second day that I have been asking about this class=

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sqdancefan sqdancefan

02-12-2020

9514 1404 393

Answer:

m∠ABC = 81°

m∠FEC = 90°

Step-by-step explanation:

The median BE of isosceles triangle ABC is also an altitude and the angle bisector of ∠ABC. This means ...

m∠ABC = 2×m∠ABE = 2(40°30')

m∠ABC = 81°

It also means that all of the angles at the intersection of BF and AC are right angles, so ...

m∠FEC = 90°

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