Question

for the given below measure of Arc ABD is equal to how much ?​

Answer 1

Answer:(B) 140°

Step-by-step explanation:

By theorem of angle between tangent secant,

m (angleDAC)=1/2m(arcABD)

Therefore,

2m(DAC)=m(arcABD)

2(30°+40°)=m(arcABD)

2*70. =m(arcABD)

Therefore,

m(arcABD)=140°