4.4 Worksheet to help PDF

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NAME _____________________________________________ DATE ____________________________ PERIOD _____________

4-4 Practice Proving Triangles Congruent— SSS, SAS Determine whether △ABC ≅ △KLM. Explain. 1. A(–3, 3), B(–1, 3), C(–3, 1), K(1, 4), L(3, 4), M(1, 6)

2. A(–4, –2), B(–4, 1), C(–1, –1), K(0, –2), L(0, 1), M(4,1)

M B

A

K

L

L

B

C C K

A

Yes they are congruent because KL and AC are congruent

M

They are not congruent because one is a right triangle and the other one is an acute. None of their sides match.

MK and AB are congruent and KL and BC are congruent. Both are right triangles

PROOF Write the specified type of proof. 3. Write a 2-column proof.  ,   𝑃𝑇 ≅ 𝐷𝐸 Given:  𝑃𝑅 ≅ 𝐷𝐸...