3 years ago

Can someone explain how to do this please?

1 answer:

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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