Answer:
8
Step-by-step explanation:
AC and BC are the same, so both equal 6
6+6 is 12
Subtract 12 from 20
20-12=8
CD is 8
2 and 14/15
Because the first step of subtraction is common denominators
A similar because all triangles add up to 180 ,
they both have 80 so leaves 100 degrees left..
and they both have the same #'s 80, 60, & 40 degrees equal to 180 degrees
Answer: D' is (-8,4)
Step-by-step explanation: The rule for reflection y=x is (x,y)>( y,x) So when relecting over the axis y=x the x cordinate and the y cordinate switch places.
