Geometry: 10.4-10.7 Notes NAME 10.4 Inscribed Angles in ...
Transcript of Geometry: 10.4-10.7 Notes NAME 10.4 Inscribed Angles in ...
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Geometry: 10.4-10.7 Notes NAME_______________________
10.4 Inscribed Angles in Polygons____________________________ Date:_________________
Define Vocabulary:
inscribed angle
intercepted arc
subtend
inscribed polygon
circumscribed circle
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Examples: Using Inscribed Angles
WE DO YOU DO
Examples: Finding the Measure of an Angle
WE DO YOU DO
Find the measure of the red arc or angle.
Find the measure of the red arc or angle.
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WE DO YOU DO
Examples: Using Inscribed Polygons
WE DO YOU DO
Assignment
Find the value of each variable. Find the value of each variable.
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10.5 Angle Relationships in circles______________ ____________________________Date:_____________
Define Vocabulary:
circumscribed angle
Examples: Finding Angle and Arc Measures
WE DO YOU DO
Line m is tangent to the circle. Find the measure of the
red angle or arc.
Line m is tangent to the circle. Find the indicated measure.
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Examples: Finding an Angle Measure
WE DO YOU DO
Find the value of x.
Find the value of the variable.
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Examples: Finding Angle Measures
WE DO YOU DO
Find the value of x. 1.
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Examples: Modeling with Mathematics
WE DO YOU DO
Assignment
A flash occurs 100 miles above Earth at
point C. Find the measure of BD, the portion
of Earth from which the flash is visible.
You are on top of Mount Rainier on a clear
day. You are about 2.73 miles above sea level
at point B. Find m CD, which represents the
part of Earth that you can see.
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10.6 Segment relationships in circles_________________________________________Date:_____________
Define Vocabulary:
segments of a chord
tangent segment
secant segment
external segment
Examples: Using Segments of Chords
WE DO YOU DO
Find the value of x.
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Examples: Using Segments of Secants
WE DO YOU DO
Find the value of x. Find the value of x.
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Examples: Using Segments of Secants and Tangents
WE DO YOU DO
Examples: Find the radius of the circle.
WE DO
Assignment
Find the value of x. Find WX.
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10.7 Circles in the coordinate plane__________________________________________Date:_____________
Define Vocabulary:
standard equation of a circle
Examples: Writing the Standard Equation of a Circle
WE DO YOU DO
Examples: Writing the Standard Equation of a Circle
WE DO YOU DO
b. a circle with center at the origin and
radius 3.5.
Write the standard equation of the circle
with the given center and radius.
center: (0, 0), radius: 2.5
center: (−2, 5), radius: 7
The point (4, 1) is on a circle
with center (1, 4). Write the
standard equation of the circle.
The point (3, 4) is on a circle
with center (1, 4). Write the
standard equation of the circle.
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Examples: Graphing a Circle
WE DO YOU DO
Assignment
The equation of a circle is x2 + y2 − 2x + 6y − 6 = 0.
Find the center and the radius of the circle. Then
graph the circle.
The equation of a circle is x2 + y2 − 8x + 6y + 9 = 0.
Find the center and the radius of the circle. Then
graph the circle.
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