Congruent and Similar Triangles in the Coordinate Plane

Question 1

Triangle ABC is similar to triangle ADE, which is formed with angle A and side AD, as shown.

Revolt · Accepted Answer

(–1,2)

Question 2

The vertices of triangle RST are R(–1,–2), S(2,–1), and T(4,2). If ΔJKL ∼ ΔRST and the length of KL is units , what is the length of JK?

Revolt · Accepted Answer

Answer image: https://r14.core.learn.edgenuity.com//media.edgenuity.com/evresources/ea697b8a249aa48fba3e6947b5c205e0.png

Question 3

Question 3

Revolt · Accepted Answer

(–1,4)

Question 4

Triangle ABC is similar to triangle RST, which is formed using RS, as shown.

Revolt · Accepted Answer

(0,–4)

Question 5

The vertices of triangle ABC are A(2,3), B(–1,2), and C(3,1). If ΔDEF ∼ ΔABC and DE = 4AB, what is the length of EF?

Revolt · Accepted Answer

4√17

Question 6

Question 6

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/evresources/266882a4a594d8bbcd4ef3cafd0ea80c.png

Question 7

Question 7

Revolt · Accepted Answer

(4,–1)

Question 8

Question 8

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/evresources/f03163cfebe06680fd60967be90306e9.png

Question 9

The vertices of ΔABC are A(1,–2), B(1,1), and C(5,–2). Which could be the side lengths of a triangle that is similar but not congruent to ΔABC?

Revolt · Accepted Answer

9, 12, and 15 units

Question 10

The vertices of triangle RST are R(–4,4) S(5,4), and T(–1,–5). If ΔLMN is similar to ΔRST and , which could be the coordinates of vertices L and M?

Revolt · Accepted Answer

L(–2,2) and M(1,2)

Congruent and Similar Triangles in the Coordinate Plane Answers