PARCC Geo Review #1

• central angle
• 42 degrees.
• inscribed angle
• 21 degrees.
• 84 degrees.
• exterior angle
• exterior angle

Triangle A(6,0)B(2,6)C(0,0) is dilated by a scale factor of 3/2 about the origin to create triangle A'B'C'. Plot A', B', and C'.

Midpoint of the line segment joining the points (2,-9) and (6,-1) is .......

• (4,5)

• (-4,-5)

• (-4,5)

• (4,-5)

• center
• (-4,5)
• radius
• diameter
• 9
• 81
• chord

As of 2015, the most densely populated state in the US was New Jersey. The 2015 population was 8,957,907 people and the land area was 7,354 square miles. What is the the population density to the nearest tenth?

• 1218.1 people per square mile

• 2,456 people per square mile

• 7035 people per square mile

• 1387 people per square mile

What is the volume of this composite figure?

• 512 cm³

• 798.08 cm³

• 646.04 cm³

• 584.82 cm³

Match the following transformation description with the rule.

• (x-3,y-4)

• Reflection over the y-axis

• (x-4,y-3)

• Translation 4 units left and 3 units down

• (x,-y)

• Dilation by a scale factor of 2

• (-x,y)

• Translation 3 units left and 4 units down

• (2x,2y)

• Reflection over the x-axis

Are the triangles congruent, if yes, why?

• SAS
• ASA
• AAS
• Not Congruent

Point R is on line segment QS such that QR:RS=5:2. If Q has the coordinates (−2,-4) and C has the coordinates (5,3), plot Q, R, and S on the graph.

sin A = ​​ (a)   ​

cos A = ​​ (b)  

tan A = ​ (c)  

Tags

CCSS.MATH.CONTENT.HSG.SRT.C.8