Question

angle ACD is an exterior angle of triangle ABC, angle B = 40°, angleA= 70°. Find the measure of angle ACD.​

Answer 1

Answer:

110 degree

Step-by-step explanation:

ANGLE B= 40 DEGREE

ANGLE A= 70 DEGREE

AND, EXTERIOR ANGLE= SUM OF 2 OPP INTERIOR ANGLES

SO, ANGLE ACD= ANGLE B+ ANGLE A= 40+70=1 10 DEGREE

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