alondrayjim alondrayjim

12-04-2021
Mathematics

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mhanifa mhanifa

14-04-2021

Answer:

d) 55°

Step-by-step explanation:

CABD is half-circle as CD is diameter and cuts the circle in half

CABD = CA + AB + BD
180° = x + 70° + x
110° = 2x
x = 110°/2
x = 55°

Correct choice is d)

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