According to the theorem on inscribed angles, an inscribed angle is equal to half of the central angle that subtends the same arc.
is on the major arc, the inscribed angle subtends the minor arc ACcap A cap C . The calculation above is correct for this configuration. Educational Visualization geometriia kniga ershovoi str 167 variant a2 8 klass
∠ABC=12⋅140∘=70∘angle cap A cap B cap C equals one-half center dot 140 raised to the composed with power equals 70 raised to the composed with power Since point According to the theorem on inscribed angles, an
Based on the popular textbook by A.P. Ershova and V.V. Goloborodko, page 167 typically contains problems from Self-study Work S-13 (or the end of S-12), which focuses on the properties of Central and Inscribed Angles in a circle. geometriia kniga ershovoi str 167 variant a2 8 klass