Give an example of similar figures in your classroom.

Given that 35b = 21c, find the ratio b : c in simplest form.

The ratio of the angle measures in a parallelogram is 2: 3: 2: 3 . What is the measure of each angle?

Given that $6 x=27 y$, find the ratio $y: x$ in simplest form.

The ratio of the angle measures in a triangle is 5: 12: 19 . What is the measure of the largest angle?

Write a ratio expressing the slope of line $\ell$.

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Apply the vocabulary from this lesson to answer each question. Name the means and extremes in the proportion $\frac{1}{3}=\frac{2}{6}$.

Apply the vocabulary from this lesson to answer each question.

A(n) _____ transformation produces figures that are similar. (similarity, congruence, or scale factor)

$\triangle A B C \cong \triangle D E F, E F=x^2-7$, and BC=4x - 2. Find the values of x.

(A) -1 and 5

(B) -1 and 6

(C) 1 and 5

(D) 2 and 3

Apply the vocabulary from this lesson to answer each question.

A _____ is a transformation that proportionally reduces or enlarges a figure, such as the pupil of an eye. (dilation or scale factor)

Give the best name for a quadrilateral whose vertices have the given coordinates. $(-6,-1),(-4,2),(0,2),(2,-1)$

Give the best name for a quadrilateral whose vertices have the given coordinates. $(1,4),(5,4),(5,-4),(1,-1)$

Give the best name for a quadrilateral whose vertices have the given coordinates. $(-4,5),(-1,8),(5,5),(-1,2)$

Use the diagonals to tell whether a parallelogram with the given vertices is a rectangle, rhombus, or square. Give all the names that apply. $Q(-8,-2), T(-6,8), W(4,6), Z(2,-4)$