Grade 8 | Unit 2 | Lesson 5: More Dilations | Practice Problems

Quadrilateral \(ABCD\) is dilated with center \((0,0)\), taking \(B\) to \(B'\). Draw \(A'B'C'D'\).

Tags

CCSS.8.G.A.3

Triangles \(B\) and \(C\) have been built by dilating Triangle \(A\). Find the center of dilation.

• 3

• \(\frac 1 3\)

• \(\frac 2 3\)

Tags

CCSS.HSG.CO.A.2

Triangle \(B\) is a dilation of \(A\) with approximately what scale factor?

Tags

CCSS.8.G.A.3

Triangle \(A\) is a dilation of \(B\) with approximately what scale factor?

Tags

CCSS.8.G.A.3

Triangle \(B\) is a dilation of \(C\) with approximately what scale factor?

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

Here is a triangle. Draw the dilation of triangle \(ABC\), with center \((0,0)\), and scale factor 2. Label this triangle \(A’B’C’\).

Tags

CCSS.8.G.A.3

Draw the dilation of triangle \(ABC\), with center \((0,0)\), and scale factor \(\frac{1}{2}\). Label this triangle \(A’’B’’C’’\).

Tags

CCSS.8.G.A.3

Is \(A’’B’’C’’\) a dilation of triangle \(A’B’C’\)? If yes, what are the center of dilation and the scale factor?

Tags

CCSS.HSG.CO.A.2

Triangle \(DEF\) is a right triangle, and the measure of angle \(D\) is \(28^\circ\). What are the measures of the other two angles?

Tags

CCSS.7.G.B.5