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Slide in the correct angle measures 180 ? 150 210 ∘ ∘ ∘ 240 120 ∘ ∘ 270 90 ∘ ∘ 300 ? 60 ? ∘ ∘ 30 330 ? ∘ 0 ∘ ∘ Slide in the correct angle measures 180 150 ? 210 ∘ ∘ ∘ 240 ? 120 ∘ ∘ 270 90 ? ∘ ∘ 300 60 ? ∘ ∘ 30 330 ∘ 0 ∘ ∘ Fill in missing angles 150 210 ∘ ∘ ∘ 240 120 ∘ ∘ ∘ ∘ 300 60 ∘ ∘ 330 0 ∘ ∘ ∘ Find the central angle and the arc it intercepts (creates) 180 150 210 ∘ ∘ ∘ 240 120 ∘ ∘ 270 90 ∘ ∘ 300 60 ∘ ∘ 30 330 ∘ 0 ∘ ∘ Find the central angle and the arc it intercepts (creates) 180 150 210 ∘ ∘ ∘ 240 120 ∘ ∘ 270 90 ∘ ∘ 300 60 ∘ ∘ 30 330 arc ∘ 0 ∘ ∘ The central angle will always the arc it intercepts 30 arc ∘ 30 ∘ 120 120 arc ∘ 60 ∘ ∘ 60 arc ∘ Arc AB =180-120 = Subtract to find the degree measure of each arc intercepted by the chord. ∘ 180 150 210 ∘ ∘ ∘ A 240 120 ∘ ∘ B 270 90 ∘ ∘ 300 60 ∘ ∘ 30 330 ∘ 0 ∘ ∘ Arc AB =270-120 = Subtract to find the degree measure of each arc intercepted by the chord. ∘ 180 150 210 ∘ ∘ ∘ 240 120 ∘ ∘ 270 90 ∘ ∘ 300 60 ∘ ∘ 30 330 ∘ 0 ∘ ∘ Match the arc with its measure ◠ ◠ ◠ ◠ GH AB CD EF = = = = 60 degrees ? 90 degrees ? 45 degrees ? 75 degrees ? ∘ 180 150 210 ∘ ∘ ∘ G F 240 120 ∘ ∘ H E 270 90 A ∘ D ∘ 300 60 ∘ ∘ B C 30 330 ∘ 0 ∘ ∘ Place the chords in long to short order (1 is longest) The greater the arc a chord intercepts, the longer the chord. ◠ ◠ ◠ AB CD ◠ GH EF = = = = 90 degrees 45 degrees 60 degrees 75 degrees 180 150 210 ∘ ∘ ∘ G F 240 120 ∘ ∘ H E 270 90 A ∘ D ∘ 300 60 ∘ ∘ B C 30 330 ∘ 0 ∘ ∘ The End ? |