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serg [7]
3 years ago
13

What is the measure of abc ?

Mathematics
2 answers:
True [87]3 years ago
8 0
The measure of abc is D. 63 degrees
pogonyaev3 years ago
7 0

Answer:

Option D 63°

Step-by-step explanation:

Two secants AE and CD intersect each other at point B inside the circle.

So by secants theorem,

\frac{m(AC)+m(DE)}{2} = ∠ABC = ∠DBE

= \frac{1}{2} ( 82 + 44 )

= \frac{1}{2} ( 126)

= 63

Option D 63° is the answer.

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