Oblique Triangle Catastrophe

Law of Sines

50

Formula

c/sinC = a/sinA = b/sinB

100

Solve The Triangle

A=42   a=

B=      b=

C=96   c=12

A=42   a=8.1

B=42   b=8.1

C=96   c=12

200

Solve The Triangle

A=33   a=16

B=      b=

C=128   c=

A=33     a=16

B=19     b=9.6

C=128   c=23.1

300

Solve The Triangle

A=43   a=81

B=      b=62

C=      c=

A=43      a=81

B=31.5   b=62

C=105.5  c=114.4

400

Solve The Triangle

A=40  a=54

B=      b=62

C=      c=

A=40   a=54           A=40   a=54

B=47.6  b=62         B=132.4   b=62

C=92.4  c=83.9       C=7.6   c=11.1

The Law of Cosines

50

Formulas

a²=b²+c²-2bcCosA

b²=a²+c²-2acCosB

c²=a²+b²-2abCosC

100

Solve The Triangle

A=     a=30

B=     b=41

C=75   c=

A=41.1    a=30

B=63.9     b=41

C=75     c=44.1

200

Solve The Triangle

A=60     a=

B=     b=20

C=     c=30

A=60     a=26.5

B=40.8     b=20

C=79.2     c=30

300

Solve The Triangle

A=     a=10

B=     b=12

C=     c=16

A=38.6     a=10

B=48.5     b=12

C=92.9     c=16

400

Solve The Triangle

A=     a=6

B=     b=9

C=     c=4

A=32.1     a=6

B=127.2     b=9

C=20.7     c=4

Area Time!

50

2 Formulas

1/2(c)(bsinA)

A=[square root symbol] S(s-a)(s-b)(s-c)

100

(Don't Use Heron's Formula)

A=62 b=10in c=24in

A=106in²

200

Heron's Formula

a=6 b=16 c=18

A=47.3

300

Which formula did you use and why?

a=18ft b=21ft c=25ft

A=185.7ft²

400

Daily Double!!! Find the Area

A=100     a=80

B=     b=60

C=     c=

A=100     a=80      A=1285.1yd²

B=47.6     b=60

C=32.4     c=43.5

Application

50

Which lesson(s) was Application problems?

6.1 & 6.2

100

Note Card 1

b=193.4yd²

200

Note Card 2

b=264yds

300

Note Card 3

c=184.3ft

400

Note Card 4

a=38.5ft

Math Riddles

50

 How many apples do you have if there are four and you take away three?

You have 3!

100

My three-digit number identity. My third digit is four times smaller than my second. The difference between my first and second digits is three. I, who?

141

200

How often can you take five away from twenty-five?

Just once :)

300

How do you multiply eight fours together so that the result is 500?

(All 8 4's must be wrote down and you can put them together ex.44 = two 4's)

500 = 444 + 44 + 4 + 4 + 4.

400

There are 25 red balls, 47 green balls. and 3 blue balls in a basket. There is a blind man. What is the minimum number of balls that the blind man has to pick to make sure that there are at least 2 balls of different colors?

48 balls since of the likely chance he could pick up 47 green balls in a row