Answer: 140
Step-by-step explanation:
angle 2 is 140 becuase 180 minus 40 = 140
angle 4 is 140
Answer:
0.73
Step-by-step explanation:




Answer:
6.9 to the nearest tenth.
Step-by-step explanation:
Use the external tangent - chord theorem:
AP^2 = CP * BP
AP^2 = 12 * 4 = 48
AP = √48
= 6.928
Answer:
y=6
Step-by-step explanation:
-6y+15=-21
-6y=-21-15 (it becomes negative on this side.)
-6y=-36 (divide both sides by -6.)
y=6