Answer:
there was a decrease of 24 degrees.
Step-by-step explanation:
7-24=-17
Step-by-step explanation:
a) gradient= y2-y1/x2-x1
gradient of AB:
gradient=-4-1/2-3
=-5/-1
=5
gradient of BC:
=-5+4/7-2
=-1/5
b) as the priduct of both gradient is -1 ,both lines are perpendicular.
c) as we have seen lines are perpendicular so it is a right angled triangle.
Answer:
mean
Step-by-step explanation:
mean ka hai iska i don't know
( - 0.625, - 1.75 )
so since the first equation is already simplified , just replace it in the second equation
12 beacause it is what it is jk im just put anything fr the challenges plz rate me 5 stars