Two triangles are formed by the four lines described below. both triangles share lines a and b. a side of one triangle is contained in line c, and a side of the other triangle is contained in line d. how can you use this information to determine whether the triangles are congruent?

line a: y=3x+2
line b: y=-1/3x-1
line c: passes through points (1,5) and (3,-2)
line d: passes through points (-6,1) and (-3,-7)

The lengths of sides are equal, hence the triangle formed are congruent.

Step-by-step explanation:

With the given information we need to draw the graph first

draw x axis and y axis

a: y=3x+2

b: y=-1/3x-1

c: passes through points (1,5) and (3,-2)

d: passes through points (-6,1) and (-3,-7)

Using the points given draw the four lines and mark the points

we have four lines namely a,b,c,d

we have Δ AOB and Δ COD

AB =

=

CD =

=

equation of BD = x+3y +3 =0

equation of AC = y=3x+2

therefore coordinates of 0 ≡ (, )

OD = 1.7                    OC = 2.1

OB = 1.3                    OA = 1.9

None of the corresponding lengths of sides are equal. hence the triangle formed are congruent.

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step-by-step explanation:

b. 153 students do not participate in sports and seventy-five 12th graders were surveyed