Answers191 CR GeometryQuadrilaterals, Coordinate Algebra, and Circles

Quadrilaterals, Coordinate Algebra, and Circles — Test Answers

17 verified answers1 views
2
Free Preview

Consider a circle whose equation is x squared plus y squared minus 2 x minus 8 is equal to 0 Which statements are true? Choose three correct answers.

A
The radius of the circle is 3 units.
B
The standard form of the equation is open paren x minus 1 close paren squared plus y squared is equal to 3 .
C
The center of the circle lies on the y -axis.
D
The radius of this circle is the same as the radius of the circle whose equation is x squared plus y squared is equal to 9 .
E
The center of the circle lies on the x -axis.
3

What is the measure of angle ABD in trapezoid ABCD ?

A
92 degrees
B
24 degrees
C
40 degrees
D
64 degrees
5

What is the length of line segment JG ?

A
5 units
B
9 units
C
4 units
D
6 units
6

What is the measure of arc ST ?

A
163 degrees
B
112 degrees
C
68 degrees
D
56 degrees
7

line segment BC is parallel to line segment AD and line segment CD is parallel to line segment BA because the ________________________________. Therefore, ABCD is a parallelogram because both pairs of opposite sides are parallel.

A
lengths of consecutive sides are not equal
B
lengths of opposite sides are equal
C
slopes of opposite sides are equal
D
slopes of consecutive sides are not equal
8

What is the measure of arc QR ?

A
128 degrees
B
52 degrees
C
104 degrees
D
26 degrees
9

If quadrilateral ABCD is an isosceles trapezoid, which statements must be true? Choose three correct answers.

A
line segment BD perpendicular to line segment AC
B
angle CBA is congruent to angle BCD
C
line segment BC is parallel to line segment AD
D
line segment BA is congruent to line segment CD
E
line segment BE is congruent to line segment ED
10

What is the value of m ?

A
m is equal to 3
B
m is equal to 2
C
m is equal to 16
D
m is equal to 15
11

In the diagram, SR is equal to 4 square root of 2 and QR is equal to square root of 10 What is the perimeter of parallelogram PQRS ?

A
square root of 10 units
B
8 square root of 2 plus 8 units
C
16 square root of 2 units
D
8 square root of 2 plus 2 square root of 10 units
12

The measure of central angle ABC is (π)/(2) radians. What is the area of the shaded sector?

A
18 pi units squared
B
9 pi units squared
C
6 pi units squared
D
36 pi units squared
13

In circle cap o , what is m angle MAJ ?

A
55 degrees
B
125 degrees
C
50 degrees
D
250 degrees
15

What are the missing angle measures in parallelogram RSTU ?

A
m angle cap r is equal to 70 degrees , m angle cap t is equal to 110 degrees , m angle cap u is equal to 110 degrees
B
m angle cap r is equal to 70 degrees , m angle cap t is equal to 110 degrees , m angle cap u is equal to 70 degrees
C
m angle cap r is equal to 110 degrees , m angle cap t is equal to 70 degrees , m angle cap u is equal to 110 degrees
D
m angle cap r is equal to 110 degrees , m angle cap t is equal to 110 degrees , m angle cap u is equal to 70 degrees
18

In circle cap c , r is equal to 32 units. What is the area of circle cap c ?

A
64 pi units squared
B
1024 pi units squared
C
32 pi units squared
D
256 pi units squared
22

Which statement proves that triangle XYZ is an isosceles right triangle?

A
The slope of line segment XZ is 3 fourths , the slope of line segment XY is negative 4 thirds , and XZ is equal to XY is equal to 5 .
B
line segment XZ perpendicular to line segment XY
C
The slope of line segment XZ is 3 fourths , the slope of line segment XY is negative 4 thirds , and the slope of line segment ZY is equal to 7 .
D
XZ is equal to XY is equal to 5

Did you find these answers helpful?