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aev [14]
3 years ago
13

HEEEEEEEEEEEEEELLLLLLLLLLLLLLLLLLPPPPPPPPPPPPPPPPPP MEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE PLLLLLLLLLLLLLLLLEEEEEEEEEEEEEAAAAAAAAAAAAAS

SSSSSSSSSSSSSSSEEEEEEEEEEEEEEE

Mathematics
1 answer:
damaskus [11]3 years ago
7 0

Answer:

x = 12

Step-by-step explanation:

m<BCF and m<CFE are same-side interior angles.

Same-side interior angles are supplementary. This implies that:

m<CFE + m<BCF = 180°

where,

m<CFE = 11x°

m<BCF = 4x°

Plug in the values

11x + 4x = 180

15x = 180

x = 180/15

x = 12

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