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

Question

asked Sep 2, 2021 189k views

1 Answer

NtgCleaner · Answer 1 · 2021-09-06T21:15:03+0000

Answer:

46°

Explanation:

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