gigiwardd
gigiwardd
01-12-2017
Mathematics
contestada
How do you solve this problem?
Respuesta :
stevesjane
stevesjane
05-12-2017
It looks like a parallelogram
therefore sum of angles on the same side must equal 180°
therefore,
x-5 +2x+11 =180°
3x +6 = 180°
3x = 174
x= 58°
therefore x =58°
now, if you want value for angle H simply substitute for x
2x +11
= 2(58°) +11
= 116° +11
= 127°
as you know the opposite angles of a parallegram are equal
therefore,
2y =127°
y = 63.5°
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