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alex41 [277]
3 years ago
7

Please help me with this and pls don't answer if you don't know. thank you!

Mathematics
2 answers:
daser333 [38]3 years ago
4 0

Answer:

consider \: triangle \: BDE \\m

Rina8888 [55]3 years ago
4 0

Answer:

x = 5

Step-by-step explanation:

all angles at corners in parallelogram must add to 360

bcd = 51 thus angle at opposite corner (bed) must also equal 51

adding = 51 + 51 = 102

angles at ebc and edc are also equal to each other

edf = 55 and cbf = 55

adding 55+55 = 110

360 - 110 - 102 = 148

divide by 2 for angles ebf and cfd

148/2 = 74

now solve

14x + 4 = 74

14x = 70

x = 5

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