1.opener a) what is the easiest way to solve for y below? b) use the law of sines to solve for x in...

1.Openera) What is the easiest way to solve for y below?

b) Use the Law of Sines to solve for x in each triangle.

Day 94

140°

15

20°

x

x

42°

19

32

c) Where can you ride a skateboard in Ottawa legally?

y

24

42°

COASTING ON ROADWAYS

77. No person shall coast on a roadway, whether on a sleigh, skateboard, rollerskate, in-line skate, cart, children's wagon or toboggan.

VEHICLES CROSSING SIDEWALKS, BOULEVARDS AND CURBS

84. (1) No person shall drive a vehicle or ride upon a skateboard, rollerskates or in-line skates on a sidewalk except for the purpose of directly crossing the sidewalk.

SPORTS AND ACTIVITIES5. (1) No person shall participate in or play baseball, softball, basketball, volleyball, football, soccer, rugby, tennis, croquet, cricket, badminton, ultimate frisbee, disk golf, skateboarding or any other sport or activity in a park except in an area designated by the Director for such respective purpose and in accordance with subsection (2).

CYCLING, SKATEBOARDING, ROLLERBLADING, MOTORIZED VEHICLES

6. (2) No person shall ride a bicycle or participate in skateboarding or rollerblading in a park, or part thereof, designated by the Director as prohibiting cycling, skateboarding or rollerblading.

“The best place for skateboarding is the skateboard park.”

2. The Law of Cosines

AB

C

c

a ba2 + b2c2 = 10 = 10

= 10

<

2. The Law of Cosines

AB

C

c

a ba2 + b2c2 >

= 10 = 5

= 14

2. The Law of Cosines

AB

C

ca

b

a2 + b2c2 == 13

= 12

= 5

2. The Law of Cosines

a2 + b2c2 = right

a2 + b2c2 > obtuse

a2 + b2c2 < acute

2. The Law of Cosines

a2 + b2c2 = right

a2 + b2c2 = obtuse

a2 + b2c2 = acute

- 2abcosC=

2. The Law of Cosines

a2 + b2c2 = right

a2 + b2c2 > obtuse

a2 + b2c2 < acute

- 2abcosC

- 2abcosC=

2. The Law of CosinesSolve for x.

x

72°

19

32

2. The Law of CosinesDo you use Law of Sines or Law of Cosines here?

12

110°

50°

xx

15

25°

14

x

15

x17

75°17

5

12

2. The Law of CosinesDo you use Law of Sines or Law of Cosines here?

x

15

x17

75°17

5

12

3. Homework

pg. 299 # 1-5