brainst1
brainst1
05-04-2017
Mathematics
contestada
can someone help maths
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Аноним
Аноним
05-04-2017
first find angle EBC.
The are for a triangle is 180 degrees.
It is a right triangle and has a right angle.
180 - (90 + 50)
180 - 140
angle EBC IS 40
NOW FIND X
The line is 180 degrees.
180 -40 = 140
X = 140 DEGREES
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