warm up 1. solve 3x + 9 =-30 2. simplify the expression 9x + 2y, where x = -5 and y = 2. 3. 8b + 3c...

Warm up 1. Solve 3x + 9 =-30 2. Simplify the expression 9x + 2y, where x = -5 and y = 2. 3. 8b + 3c – 4f , let b = -4, c= -3 and f = 6 4. Find the midpoint of the line segment containing the points (0, 7) and (4, 6). 5. I am a triangle with angle measures 23, 104 and 53 degrees, what am I?

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Warm up

1. Solve 3x + 9 =-302. Simplify the expression 9x

+ 2y, where x = -5 and y = 2.

3. 8b + 3c – 4f , let b = -4, c= -3 and f = 6

4. Find the midpoint of the line segment containing the points (0, 7) and (4, 6).

5. I am a triangle with angle measures 23, 104 and 53 degrees, what am I?

Page 2: Warm up 1. Solve 3x + 9 =-30 2. Simplify the expression 9x + 2y, where x = -5 and y = 2. 3. 8b + 3c – 4f, let b = -4, c= - 3 and f = 6 4. Find the midpoint

Today’s Objective TSWBAT name and identify angle

relationships in order to solve for angle measurements.

Homework: Riddle me this WS and 1.5 practice WS

Homework and notes available at:https://lrhssavila.wikispaces.hcpss.org

Page 3: Warm up 1. Solve 3x + 9 =-30 2. Simplify the expression 9x + 2y, where x = -5 and y = 2. 3. 8b + 3c – 4f, let b = -4, c= - 3 and f = 6 4. Find the midpoint

To identify basic shapes and figures in Geometry

Warm up √Homework: Riddle me this WS and 1.5

practice WSAnticipatory SetPractice Example 1-5Closure

Page 4: Warm up 1. Solve 3x + 9 =-30 2. Simplify the expression 9x + 2y, where x = -5 and y = 2. 3. 8b + 3c – 4f, let b = -4, c= - 3 and f = 6 4. Find the midpoint

Homework Review

Page 5: Warm up 1. Solve 3x + 9 =-30 2. Simplify the expression 9x + 2y, where x = -5 and y = 2. 3. 8b + 3c – 4f, let b = -4, c= - 3 and f = 6 4. Find the midpoint

To identify basic shapes and figures in Geometry

Warm up √Homework: Pg 38 #1-53 Every Other Odd √Anticipatory SetPractice Example 1-5Closure

Page 6: Warm up 1. Solve 3x + 9 =-30 2. Simplify the expression 9x + 2y, where x = -5 and y = 2. 3. 8b + 3c – 4f, let b = -4, c= - 3 and f = 6 4. Find the midpoint

Anticipatory SetLet’s review our vocabulary from

yesterday.

Page 7: Warm up 1. Solve 3x + 9 =-30 2. Simplify the expression 9x + 2y, where x = -5 and y = 2. 3. 8b + 3c – 4f, let b = -4, c= - 3 and f = 6 4. Find the midpoint

Vocabulary1. Complementary Angles2. Supplementary Angles3. Adjacent Angles4. Linear Pair5. Vertical Angles

Page 8: Warm up 1. Solve 3x + 9 =-30 2. Simplify the expression 9x + 2y, where x = -5 and y = 2. 3. 8b + 3c – 4f, let b = -4, c= - 3 and f = 6 4. Find the midpoint

To identify basic shapes and figures in Geometry

Warm up √Homework: Riddle me this WS and 1.5

practice WS√Anticipatory Set √Practice Example 1-5Closure

Page 9: Warm up 1. Solve 3x + 9 =-30 2. Simplify the expression 9x + 2y, where x = -5 and y = 2. 3. 8b + 3c – 4f, let b = -4, c= - 3 and f = 6 4. Find the midpoint

EXAMPLE 1 Identify complements and supplements

In the figure, name a pair of complementary angles, a pair of supplementary angles, and a pair of adjacent angles.

Page 10: Warm up 1. Solve 3x + 9 =-30 2. Simplify the expression 9x + 2y, where x = -5 and y = 2. 3. 8b + 3c – 4f, let b = -4, c= - 3 and f = 6 4. Find the midpoint

EXAMPLE 2 Find measures of a complement and a supplement

a. Given that 1 is a complement of 2 and m 1 = 68°, find m 2.

Page 11: Warm up 1. Solve 3x + 9 =-30 2. Simplify the expression 9x + 2y, where x = -5 and y = 2. 3. 8b + 3c – 4f, let b = -4, c= - 3 and f = 6 4. Find the midpoint

EXAMPLE 3 Find angle measures

Sports

When viewed from the side, the frame of a ball-return net forms a pair of supplementary angles with the ground. Find m BCE and m ECD.

Page 12: Warm up 1. Solve 3x + 9 =-30 2. Simplify the expression 9x + 2y, where x = -5 and y = 2. 3. 8b + 3c – 4f, let b = -4, c= - 3 and f = 6 4. Find the midpoint

EXAMPLE 4 Identify angle pairs

Identify all of the linear pairs and all of the vertical angles in the figure at the right.

Page 13: Warm up 1. Solve 3x + 9 =-30 2. Simplify the expression 9x + 2y, where x = -5 and y = 2. 3. 8b + 3c – 4f, let b = -4, c= - 3 and f = 6 4. Find the midpoint

EXAMPLE 5 Find angle measures in a linear pair

Two angles form a linear pair. The measure of one angle is 5 times the measure of the other. Find the measure of each angle.

ALGEBRA

Page 14: Warm up 1. Solve 3x + 9 =-30 2. Simplify the expression 9x + 2y, where x = -5 and y = 2. 3. 8b + 3c – 4f, let b = -4, c= - 3 and f = 6 4. Find the midpoint

To identify basic shapes and figures in Geometry

Warm up √Homework: Riddle me this WS and 1.5

practice WS√Anticipatory Set √Practice Example 1-5 √Closure

Page 15: Warm up 1. Solve 3x + 9 =-30 2. Simplify the expression 9x + 2y, where x = -5 and y = 2. 3. 8b + 3c – 4f, let b = -4, c= - 3 and f = 6 4. Find the midpoint

Closure

How do we identify Complimentary and Supplementary angles?

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