AnswersCR CCSS Math 2 S2 M2960OXSecants, Tangents, and Angles (Sec 10-5)

Introduction to Circles (Sec 10-1) Answers

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Which circle C shows a chord that is not a diameter?

A
[Image: Circle C is shown. A line is drawn from one side o...]
Option A
B
[Image: Circle C is shown. A line is drawn on the outside ...]
Option B
C
[Image: Circle C is shown. A line is drawn from point C to...]
Option C
D
[Image: Circle C is shown. A line goes from one point on t...]
Option D
3

TZUTZVVZX✔ WSX

A
TZU
B
TZV
C
VZX
D
✔ WSX
4

✔ equal tohalftwice

A
✔ equal to
B
half
C
twice
5

42✔ 79100180

A
42
B
✔ 79
C
100
D
180
116472

Identify the parts relating to A.

Question illustration
Answers:
What is ?:secant
What is ?:tangent
What is ?:secant
What is AC?:radius
116486

WSX✔ UZVXSYYSU

A
WSX
B
✔ UZV
C
XSY
D
YSU
116487

✔ the center of the circleon the circleoutside the circle

A
✔ the center of the circle
B
on the circle
C
outside the circle
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✔ major arcminor arcsemicircle

A
✔ major arc
B
minor arc
C
semicircle
116507

Which would prove that the circles are similar?

Answers:
Dilate the smaller circle by a factor of .:11/5
one of the circles so that the circles have the same center.:Translate
116509

Complete the statements about circle J.

Answers:
is a and measures degrees.:minor arc
is a and measures degrees.:152
is a and measures degrees.:major arc
is a and measures degrees.:298
116510

Which statements are correct? Check all that apply.A chord is sometimes a radius.A diameter is always a chord.A tangent is never a secant.A chord can be longer than a diameter of the same circle.A chord can be shorter than a radius of the same circle.A radius is always congruent to another radius of the same circle.

A
A chord is sometimes a radius.
B
A diameter is always a chord.
C
A tangent is never a secant.
D
A chord can be longer than a diameter of the same circle.
E
A chord can be shorter than a radius of the same circle.
F
A radius is always congruent to another radius of the same circle.
116511

Complete the statements about circle J.

Answers:
is a and measures degrees.:minor arc
is a and measures degrees.:152
is a and measures degrees.:major arc
is a and measures degrees.:298
116512

What is m?

Question illustration
A
90°
B
180°
C
219°
D
231°
116513

How is a tangent different from a chord? Explain.

Answer:

A tangent is a line that intersects a circle at exactly one point and does not enter the circle's interior. A chord is a line segment whose endpoints both lie on the circle, meaning the segment is located inside the circle.

116514

What did you include in your response? Check all that apply.

A
A tangent intersects a circle at exactly one point and, except for that point, lies outside the circle.
B
A chord intersects a circle twice and lies inside the circle.
116515

6290242✔ 298

A
62
B
90
C
242
D
✔ 298

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