Act Plane Geometry

The ratio of the radii of two circles is 4:9. What is the ratio of their circumferences?

• 2:3

• 4:9

• 16:81

Tags

CCSS.7.G.B.4

Triangles ΔABC and ΔA'B'C' are graphed in the standard (x,y) coordinate plane below. Triangle ΔA'B'C' is the image of ΔABC under one of the following transformations. Which one?

• Horizontal translation

• Reflection across the x-axis

• Reflection across the y-axis

Tags

CCSS.8.G.A.3

Tags

CCSS.HSG.GPE.A.1

Tags

CCSS.HSG.GPE.B.6

Tags

CCSS.HSG.GPE.A.1

• Line

• Square

• Pentagon

• Parallelogram

• Scalene Triangle

Tags

CCSS.4.G.A.3

Tags

CCSS.HSG.GPE.B.6

Tags

CCSS.HSG.GPE.B.6

Tags

CCSS.HSG.GPE.A.1