ABCDE is a regular pentagon.
DEF is a straight line.
Calculate
( b ) angle DAE,
Since ABCDE is a regular pentagon, all its angles are equal.
Angle DAE = angle DAB + angle BAE = 108 degrees + 108 degrees = 216 degrees.
DEF is a straight line.
Calculate
( b ) angle DAE,
Angle DAE = angle DAB + angle BAE = 108 degrees + 108 degrees = 216 degrees.