jessielunajl jessielunajl

17-06-2020
Mathematics

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A circle is centered on point B. Points A, C and D lie on its circumference.
If ZADC measures 23°, what does ZABC measure?

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sqdancefan sqdancefan

17-06-2020

Answer:

46°

Step-by-step explanation:

The central angle has twice the measure of the inscribed angle subtending the same arc. Hence ∠ABC = 2(∠ADC) = 2(23°) = 46°.

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