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3 years ago

A) give stating reasons five other angles each equal to xb) prove that AECF is a parallelogram

Mathematics

1 answer:

Gennadij [26K]3 years ago

7 0

Simple Proof:

a) In the image, we know that ABCD is a parallelogram and that means opposite angel measures should be the same. We know that angel DCB is made up by angel 1 and 2, and angel DAB and DCB are equal and angel DAB is made up by angel 1 and x. So now we can conclude that angel x is equal to angel 2.

b) According to the definitions of a parallelogram, opposite angel measures have to be the same, while AECF have angle 1 to angel 1 and angel 2 to angel 1. We can conclude that AECF is NOT a parallelogram. (Sorry, you didn't give me the full question so some information remains unclear. )

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A) give stating reasons five other angles each equal to xb) prove that AECF is a parallelogram ​

A) give stating reasons five other angles each equal to xb) prove that AECF is a parallelogram