in triangle ABC, side BC is produced to D TO FORM EXTERIOR ANGLE ACD
IF ANGLE ACD =130 DEGREE AND ANGLE ABC = 50 DEGREE ,FIND ANGLE BAC AND ACB

Question

in triangle ABC, side BC is produced to D TO FORM EXTERIOR ANGLE
ACD
IF ANGLE ACD =130 DEGREE AND ANGLE ABC = 50 DEGREE ,FIND ANGLE BAC
AND ACB

Neha Sethi · Accepted Answer

Dear student
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Given: ∠ACD=130°and ∠ABC=50°Now ∠ACD+∠ACB=180°    Linear pair⇒130°+∠ACB=180°⇒∠ACB=180°-130°⇒∠ACB=50°Now consider △ABC, by angle sum property∠ABC+∠BCA+∠CAB=180°⇒50°+50°+∠CAB=180°⇒∠CAB=180°-100°⇒∠CAB=80°
Regards

in triangle ABC, side BC is produced to D TO FORM EXTERIOR ANGLE ACD IF ANGLE ACD =130 DEGREE AND ANGLE ABC = 50 DEGREE ,FIND ANGLE BAC AND ACB

in triangle ABC, side BC is produced to D TO FORM EXTERIOR ANGLE ACD
IF ANGLE ACD =130 DEGREE AND ANGLE ABC = 50 DEGREE ,FIND ANGLE BAC AND ACB