Transformations, Angles, Lines, and Triangles — Test

Question 1

If triangle RST is an acute triangle, then m angle cap s must be

Revolt · Accepted Answer

less than 90 degrees .

Question 2

A rectangle is transformed according to the rule cap r sub 0 comma 90 degrees The image of the rectangle has vertices located at cap r prime times open paren negative 4 comma 4 close paren , cap s prime times open paren negative 4 comma 1 close paren , cap p prime times open paren negative 3 comma 1 close paren , and cap q prime times open paren negative 3 comma 4 close paren What is the location of cap q ?

Revolt · Accepted Answer

open paren 4 comma 3 close paren

Question 3

The function rule cap t sub negative 4 comma 6 times open paren x comma y close paren could be used to describe which translation?

Revolt · Accepted Answer

a trapezoid on a coordinate plane that is translated 4 units to the left and 6 units up

Question 4

Which figure represents the image of parallelogram LMNP after a reflection across the line y is equal to x ?

Revolt · Accepted Answer

figure C

Question 5

Which statements are true about the reflectional symmetry of a regular heptagon? Choose two correct answers.

Revolt · Accepted Answer

It has 7-fold symmetry.; A line of symmetry will connect a vertex and a midpoint of an opposite side.

Transformations, Angles, Lines, and Triangles — Test Answers

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