1. Multiplication Challenge Get out your homework Get out your homework Leave worksheet upside down & write your name on the back You will have 4.5 minutes once the bell rings. If you are done early, write down your time

2. Wednesday, February 12 1. Multiplication Challenge 2. Review Homework 3. Review Writing Equations for Angles for homework 4. Homework – Handout on finding angles Announcements: Quiz Friday on finding angles I will not be here tomorrow

3. What is true about ∠1 and ∠7? What is true about ∠1 and ∠2? What is true about ∠1 and ∠6? Which ones are always equal? ∠1∠1 ∠2∠2 ∠3∠3 ∠4∠4 ∠5∠5 ∠6∠6 ∠7∠7 ∠8∠8

4. Which are supplementary to ∠1? Which are supplementary to ∠6? Which are supplementary to ∠3? ∠1∠1 ∠2∠2 ∠3∠3 ∠4∠4 ∠5∠5 ∠6∠6 ∠7∠7 ∠8∠8

5. What do you know about these two angles? How would you write an equation for them? Solve for x 4x + 2 5x - 8

6. What do you know about these two angles? How would you write an equation for them? Solve for x 4x + 2 6x + 8

7. What do you know about these two angles? How would you write an equation for them? Solve for x 4x + 2 6x + 8

8. Look at homework Ask questions about it now

9.  2 =?  4 = ?  5 = ? 22 70  30  55 44 80º 70º 110º

10.  6 = ?  7 = ? 157  66 77 23º

11.  8 = ? 88 159  21º

12.  9 = ?  10 = ?  11 = ? 16   10 99  11 74º 106º

13.  A = ?  B = ? 86  AA BB 18  94º 76º

14. C = 132  D = ?, E = ? F = ? CD FE 48º 132º

15. G = ?, H = ?, I = ? G H I 105° 30 ° 105º 30º45º

16.  J = ?  K = ? 57  JJ KK 90º 33º

17. 83  L M N 111  O L = ?, M = ?, N = ?, O = ? 83º 97º69º152º