Jennifer D.

asked • 10/13/22

Ray EC bisects angle BED , m angle AEB =11x-12 and m angle CED= 4x+1. Find m angle AEC.

The angle (AEB) measurement is 11x-12.

The angle (CED) measurement is 4x+1. (angle (BEC) also is 4x+1)

if I add all three angles together

11x - 12 + 4x + 1 + 4x + 1 = 180° I get x=10

but then I am stuck

Jennifer D.

∠AEB + ∠BED = 180° 11x-12+8x+2=180° 19x-10=180° 19x=180+10=190° x=190/19=10° ∠BEC=4x+1=4×10+1=41° ∠AEB=11x-12=11×10-12=98° ∠AEC=41+98=139° ∠AEC=139°
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10/13/22

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