Circles - Secants, Tangents and Angles
Flashcard
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a secant in relation to a circle?
Back
A secant is a line that intersects a circle at two points.
2.
FLASHCARD QUESTION
Front
Define a tangent line to a circle.
Back
A tangent line is a line that touches a circle at exactly one point.
3.
FLASHCARD QUESTION
Front
What is the relationship between the angles formed by a tangent and a chord through the point of contact?
Back
The angle formed between a tangent and a chord through the point of contact is equal to the measure of the opposite arc.
Tags
CCSS.HSG.C.A.2
4.
FLASHCARD QUESTION
Front
State the Inscribed Angle Theorem.
Back
The inscribed angle is half the measure of the intercepted arc.
Tags
CCSS.HSG.C.A.2
5.
FLASHCARD QUESTION
Front
What is the measure of an angle formed by two secants that intersect outside the circle?
Back
The measure of the angle is equal to half the difference of the measures of the intercepted arcs.
Tags
CCSS.HSG.C.A.2
6.
FLASHCARD QUESTION
Front
How do you find the length of a tangent segment from a point outside the circle?
Back
The length of the tangent segment is the square root of the difference between the square of the distance from the point to the center and the square of the radius.
Tags
CCSS.HSG.C.A.2
7.
FLASHCARD QUESTION
Front
What is the formula for the area of a circle?
Back
The area of a circle is A = πr², where r is the radius.
Tags
CCSS.7.G.B.4
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