Chapter_10_Review_Stations.notebook May 07, 2015 Label as major minor or semi 1 Chapter_10_Review_Stations.notebook May 07, 2015 16) 70o because those are vertical angles so they are congruent 17) 110o NR is a diameter so it cuts the circle in half. 18070 =110 18) 290o We want the whole circle except for QR which is 70 19) 30o 2 Chapter_10_Review_Stations.notebook 1) May 07, 2015 2) o 237 3 Chapter_10_Review_Stations.notebook 360 237 = 123 May 07, 2015 If they intersect INSIDE, then you ADD the arcs and divide by 2 If they intersect outside you SUBTRACT the arcs and divide by 2 So 33+131 = 164 so so 237123 = 114 Angle 1 = 82 X = 72 Angle 2 = 98 4 Chapter_10_Review_Stations.notebook May 07, 2015 5 Chapter_10_Review_Stations.notebook May 07, 2015 (6x + 28) is the inscribed angle so we double the angle to get the arc which becomes 2(6x+28) = 16x 12x + 56 = 16x 56 = 4x x = 14 Then plug in to find out all the missing info 6 Chapter_10_Review_Stations.notebook May 07, 2015 Find Arcs 1 and 2 and Angle 3 3 7 Chapter_10_Review_Stations.notebook May 07, 2015 ARCS (1) = 234 (double 117) (2) = 126 ANGLE (3) = 63 8 Chapter_10_Review_Stations.notebook May 07, 2015 9 Chapter_10_Review_Stations.notebook May 07, 2015 Find the circumference and area of the big circle 10 Chapter_10_Review_Stations.notebook May 07, 2015 11 Chapter_10_Review_Stations.notebook May 07, 2015 12 Chapter_10_Review_Stations.notebook May 07, 2015 13
© Copyright 2024