brelandl1
brelandl1 brelandl1
  • 23-09-2019
  • Mathematics
contestada

i need help before i have a mental breakdown

i need help before i have a mental breakdown class=

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luchoprat
luchoprat luchoprat
  • 23-09-2019

Answer:

FCD = 118 °

Step-by-step explanation:

AFB = 109 °

In triangle ABF:

a + b ( see attachment ) + 109 ° = 180 °

a + b = 71

In triangle ABD

2 a + 2 b + ADB = 180 °

2 (a + b ) + ADB = 180 °

2 * 71° + ADB = 180 °

ADB = 38°

In CDEF:

38 ° + 95 ° + 109 ° + FCD = 360 °

FCD = 118 °

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