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2 years ago

11

13 If CDEF is a rhombus, find m FED.

1 answer:

Tatiana [17]2 years ago

8 0

Answer:

36

Step-by-step explanation:

8x-20=5x+1

-5 -5

3x=-20+1

+20 +20

3x=21

3 3

x=7

8(7)-20

FED=36

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