Asked by Marie
How do I determine which two triangles on a graph are congruent. ∆QRS and ∆DEF or ∆ABC and ∆XYZ.
i found the coordinates of both sets:
QRS Q(-2,5), R(-2,1), S(-5, 1)
DEF D(5,-5), E(5,-2), F(2,-2)
or
ABC A(4,5), B(6,2), C(2,2)
XYZ X(-4,-5), Y(-6,-2), Z(-2,-2)
i found the coordinates of both sets:
QRS Q(-2,5), R(-2,1), S(-5, 1)
DEF D(5,-5), E(5,-2), F(2,-2)
or
ABC A(4,5), B(6,2), C(2,2)
XYZ X(-4,-5), Y(-6,-2), Z(-2,-2)
Answers
Answered by
Steve
use the distance formula many times to find the lengths of the sides.
The two triangles with all congruent sides are congruent (SSS).
The two triangles with all congruent sides are congruent (SSS).
Answered by
Marie
What is the distance formula?
Answered by
Ms. Sue
http://www.google.com/#q=distance+formula
Answered by
This doesnt help
lol no brainer XD
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