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◡ An ARC of a circle is part of the CIRCUMFERENCE The ARC of a circle has the same angle measure as the central angle that forms it. 120 ∘ central angle ? arc ? Drag the words to the ? MQ and NR are diameters. Find the indicated measure. (arc MN has the same measure as angle MON) N M 82 P O 63 Q arc MN = R ∘ MQ and NR are diameters. Find the indicated measure. arc QR N M 82 P ∘ O 63 Q R MQ and NR are diameters. Find the indicated measure. N M 82 P O 63 Q arc PQ = R ∘ MQ and NR are diameters. Find the indicated measure. arc NQ N M 82 ∘ P O 63 Q R MQ and NR are diameters. Find the indicated measure. arc NQR N M 82 P ∘ O 63 Q R MQ and NR are diameters. Find the indicated measure. arc MR N M 82 P ∘ O 63 Q R MQ and NR are diameters. Find the indicated measure. arc PRN N M 82 P O 63 ∘ Q R Drag the words/degrees to the ? put unused piece here: A 90o F E B C D 30o ? Arc CEA Arc AB m BE = m BC = m AE = Arc BAE ◠ ◠ ◠ minor arc ? major arc ? 180o ? 45o ? 90o ? semicircle ? Find the measures of the given arcs. Do not write the degrees--only write the numbers! For example Arc QR = 73 (do not put 73 degrees)
N M P 81o 73o Q R MN = ◠ MPR = ◠ MR = ◠ PQ = ◠ o o o o Is AB ≅ CD? ◠ ◠ A C xo yes or no xo B D Is AB ≅ CD? ◠ ◠ A B 63o 54o yes or no C D Is AB ≅ CD? D ◠ C 85o ◠ yes or no 85o A B Is AB ≅ CD? D ◠ C B A ◠ 77o yes or no |