Geometry 10.4 3-26.notebook - Moore Public Schools...Geometry 10.4 326.notebook 6 March 27, 2015 Jan...

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Geometry 10.4 326.notebook 1 March 27, 2015 Jan 2910:19 AM Announcements Tests (C12) Study Island User name: firstnamelastname.mhs2015 password: mhs2015 One calculator still missing from before spring break! Jan 199:30 PM 1. The measure of the interior angles of a quadrilateral are 80 degrees, 100 degrees, 55 degrees, and 5x degrees. Find the value of x. 2. Solve 3x = (4x + 12) 10.4 Inscribed Angles and Polygons Bell Work

Transcript of Geometry 10.4 3-26.notebook - Moore Public Schools...Geometry 10.4 326.notebook 6 March 27, 2015 Jan...

Page 1: Geometry 10.4 3-26.notebook - Moore Public Schools...Geometry 10.4 326.notebook 6 March 27, 2015 Jan 1910:04 PM Theorem 10.10 A quadrilateral can be inscribed in a circle if and only

Geometry 10.4 3­26.notebook

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March 27, 2015

Jan 29­10:19 AM

Announcements

­ Tests (C12)

­ Study Island   

User name:  firstnamelastname.mhs2015

password:  mhs2015

­ One calculator still missing from before spring break!

­ 

Jan 19­9:30 PM

1. The measure of the interior angles of a quadrilateral are 80 degrees, 100 degrees, 55 degrees, and 5x degrees. Find the value of x.

2. Solve 3x =    (4x + 12)

10.4 Inscribed Angles and PolygonsBell Work

Page 2: Geometry 10.4 3-26.notebook - Moore Public Schools...Geometry 10.4 326.notebook 6 March 27, 2015 Jan 1910:04 PM Theorem 10.10 A quadrilateral can be inscribed in a circle if and only

Geometry 10.4 3­26.notebook

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March 27, 2015

Jan 19­9:38 PM

10.4 Inscribed Angles and Polygons

Theorem 10.7 Measure of an Inscribed Angle Theorem

The measure of an inscribed angle is one half the measure of its intercepted arc.

Jan 19­9:42 PM

Theorem 10.7: three cases

Page 3: Geometry 10.4 3-26.notebook - Moore Public Schools...Geometry 10.4 326.notebook 6 March 27, 2015 Jan 1910:04 PM Theorem 10.10 A quadrilateral can be inscribed in a circle if and only

Geometry 10.4 3­26.notebook

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March 27, 2015

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Example 1

Find the indicated measure in circle P.

Jan 19­9:49 PM

Theorem 10.8 If two inscribed angles of a circle intercept the same arc, then the angles are congruent.

Page 4: Geometry 10.4 3-26.notebook - Moore Public Schools...Geometry 10.4 326.notebook 6 March 27, 2015 Jan 1910:04 PM Theorem 10.10 A quadrilateral can be inscribed in a circle if and only

Geometry 10.4 3­26.notebook

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March 27, 2015

Jan 19­9:45 PM

Example 2

Find mRS and m   STR. What do you notice about angle STR and angle RUS?

Jan 25­2:20 PM

Page 5: Geometry 10.4 3-26.notebook - Moore Public Schools...Geometry 10.4 326.notebook 6 March 27, 2015 Jan 1910:04 PM Theorem 10.10 A quadrilateral can be inscribed in a circle if and only

Geometry 10.4 3­26.notebook

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Find the measure of the red arc or angle.

Example 3

Jan 19­9:54 PM

Theorem 10.9If a right triangle is inscribed in a circle, then the hypotenuse is a diameter of the circle. 

Page 6: Geometry 10.4 3-26.notebook - Moore Public Schools...Geometry 10.4 326.notebook 6 March 27, 2015 Jan 1910:04 PM Theorem 10.10 A quadrilateral can be inscribed in a circle if and only

Geometry 10.4 3­26.notebook

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March 27, 2015

Jan 19­10:04 PM

Theorem 10.10 A quadrilateral can be inscribed in a circle if and only if its opposite angles are supplementary. 

Jan 19­10:13 PM

Example 4

Find the value of each variable. 

Page 7: Geometry 10.4 3-26.notebook - Moore Public Schools...Geometry 10.4 326.notebook 6 March 27, 2015 Jan 1910:04 PM Theorem 10.10 A quadrilateral can be inscribed in a circle if and only

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March 27, 2015

Jan 25­2:22 PM

Jan 19­10:19 PM

Assignment

10.4 WB with 10.5

#1-15, 17, 18, 22193

195

197

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March 27, 2015

Mar 24­9:56 AM

Mar 24­9:56 AM

Page 9: Geometry 10.4 3-26.notebook - Moore Public Schools...Geometry 10.4 326.notebook 6 March 27, 2015 Jan 1910:04 PM Theorem 10.10 A quadrilateral can be inscribed in a circle if and only

Geometry 10.4 3­26.notebook

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March 27, 2015

Mar 24­9:56 AM

Mar 24­9:56 AM

Page 10: Geometry 10.4 3-26.notebook - Moore Public Schools...Geometry 10.4 326.notebook 6 March 27, 2015 Jan 1910:04 PM Theorem 10.10 A quadrilateral can be inscribed in a circle if and only

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March 27, 2015

Mar 24­9:56 AM