star15
star15
05-04-2017
Mathematics
contestada
Can you pls solve this???
Respuesta :
Sxerks
Sxerks
05-04-2017
Since the exterior angle of a triangle is equal to the sum of the interior opposite angles, angle 5 = 90 + angle 1.
Given that angle 5 = 147, 147 = 90 + x.
x = 57 degrees.
So, angle 1 is 57 degrees.
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