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Alexeev081 [22]
3 years ago
14

Can someone explain how to do this please?

Mathematics
1 answer:
g100num [7]3 years ago
7 0
M <  ABD  = 38 degrees ( alternate angles)

So m angle  ADB  = 180 - 2(38) = 180-76 = 104 degrees ( because triangle ADB is isosceles)

By the same reasoning and since triangle  ADB and  CDB are congruent we get m <  CDB = 104 degrees 

Therfore m < x = 360 - 2*104 = 152 degrees Answer
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