Answer: (30+6) divided by 12
Step-by-step explanation:
As the independant variable increases, the dependant variable increases at a constant rate creating a linear relationship.
a ) length of,
EF = 5 + 2 = 7
DF = 6 + 2 = 8
ED = 5 + 1 = 6
b) slope of line,
EF = 1
DF = ¼ Or 0.25
ED = 4
c ) the required triangle is an Isosceles triangle as all the sides of triangle are unequal.