M3H Review 21-40

What vocabulary word best describes this triangle?

• Centroid
• Orthocenter
• Incenter
• Centroid

What vocabulary word best describes this triangle?

• Centroid
• Orthocenter
• Incenter
• Centroid

What vocabulary word best describes this triangle?

• Centroid
• Orthocenter
• Incenter
• Centroid

What vocabulary word best describes this triangle?

• Centroid
• Orthocenter
• Incenter
• Centroid

One characteristic of a parallelogram is that "the diagonals of a parallelogram bisect each other". Given the parallelogram below, what segments must be equal in order for diagonals to bisect each other? 

• AE = EC & DE = EB
• AD = AB & BC = CD
• AC = DB & AB = BC
• AE = DE & EC = EB

In a square PQRS, diagonals PR = 4x - 7 and diagonal QS = 2x + 5. If PR and QS intersect at T, what is the length of PT? 

• 6
• 8.5
• 17
• .33

The figure below shows concentric circles, both centered at 0. Chord XY is tangent to the smaller circle. If the radius of the larger circle is 30, and the radius of the smaller circle is 24. What is the length of the chord XY? 

• 720
• 225
• 38
• 36

The drawing shows a semicircular window separated into 3 sections of colored glass. Approximately how many square inches of the tinted window are purple? 

• 1091 square inches
• 273 square inches
• 136 square inches
• 545 square inches

What is the center and the radius of a circle given by the equation
x² + y² - 6x + 8y - 38 = 0?

• center = (3, -4) r = √63
• center = (-3, 4) r = √63
• center = (-9, -16) r = 38
• center = (9, 16) r = 38

Mighty Kid's Breakfast Complany is wanting to change from rectangular prism containers to cylinder containers for their cereal. If the company wants the new container to have the same volume, what should the diameter of the cylinder container be, to the nearest hundredth centimeter? 

• .56 cm
• 1.89 cm
• 2.19 cm
• 3.58 cm