Answer:
70
Step-by-step explanation:
Tangent Chord Angle = 1/2Intercepted Arc
? = 1/2(140)
? = 70
Lines are perpendicular if the slope of one is the negative reciprocal of the other. In this case the slopes are -8/3 and 8/3, so while negative they are not reciprocal. So no, the two lines intersect but are not perpendicular.
9 more keepers would need to be added i believe <span />
Answer:
18 I guess
Step-by-step explanation:
because we are subtracting all the number by 8
