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Stand Quietly

Lesson 7.1 Adjacent and Vertical Angles Students will be able to identify angles as adjacent and vertical angles and solve problem with an unknown angle from given information

Warm-Up #18 (4/6/17) A bike is on sale for $50. The sale tax rate is 5%. What is the total price? Shay went to the salon. The cost of her haircut was $16. She tipped the barber 15%. What was the total cost? 3. If x = -4, what is y? y= -3x+4

Homework (4/5/2017) Workbook: Record and Practice Journal Page 140 Bring your workbook to class tomorrow

Homework (4/6/2017) Textbook: Big Ideas page 274 #5-13

Adjacent angles: two angles share a common side and have the same vertex. ray 15º 45º vertex

These are examples of adjacent angles.

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Vertical angles: two lines intersect and they make vertical angles (opposite). Vertical angles are congruent (same measure). 75º 105º 105º 75º

Congruent Angles Congruent angles means angles have the same measure.

Adjacent Angles: ∡𝑉𝑊𝑋 𝑎𝑛𝑑 ∡𝑉𝑊𝑍 Vertical Angles: ∡𝑉𝑊𝑋 and ∡𝑍𝑊𝑌

Find missing values 80º xº 35º xº xº 50º 85º xº Problem 1 Problem 2

#1 What is type of angle is this? What is the missing angle? Vertical angle 35 degrees ?º 35º

#2 What is type of angle is this? What is the missing angle? Vertical angle 140 degrees ?º 140º