Warm Up 1. Solve for arc ABC 2. Solve for x and y. 244 x = 105 y = 100
Review HW
Skills Check
P Case I: Vertex is AT the center
Case II: Vertex is ON circle ANGLE ARC ANGLE ARC Chomp, Chomp
Ex. 1 Solve for x. 84° x x = 42
Ex. 2 Solve for y. 202° y y = 79
Case III: Vertex is INSIDE circle (not the center) ANGLE ARC
Ex. 3 Solve for x. X 93° 113° x = 103
Ex. 4 Solve for x X 88 84 x = 100
Ex. 5 QU is a diameter x Q D T U y z x = 15 y = 15 z = 95
Ex. 6 Solve for x. 45 93 xºxº 89 x = 89
Case IV: Vertex is OUTSIDE circle ANGLE LARGE ARC small ARC ANGLE LARGE ARC
x Ex. 7 Solve for x. 65° 15° x = 25
x Ex. 8 Solve for x. 27° 70° x = 16
x Ex. 9 Solve for x. 260° x = 80
Tune: If You’re Happy and You Know It If the vertex is ON the circle half the arc. If the vertex is INside the circle half the sum. But if the vertex is OUTside, then you’re in for a ride, cause it’s half of the difference anyway.
Momma Lion Worksheet 16 problems
Homework All Angles Worksheet 12 problems