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A side of the triangle below has been extended to form an exterior angle of the angles of 155°. Find the value of x.

A Side Of The Triangle Below Has Been Extended To Form An Exterior Angle Of The Angles Of 155 Find The Value Of X class=

Sagot :

A supplementary angle is the angles formed by two angles and the sum of these angles is 180°

x+155=180°

then we clear x

x=180-155

x=25°