A 17 cm 32 0 1. Warm Up April 18 and 19 Find the missing variables. Round to the nearest whole number. 20 m x 18 m 6 m b 2. y 12 cm 32 0 r Find the radius.

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Presentation transcript:

a 17 cm Warm Up April 18 and 19 Find the missing variables. Round to the nearest whole number. 20 m x 18 m 6 m b 2. y 12 cm 32 0 r Find the radius and the area of the circle. 3.

Answers

12.3 Law of Sines

SAS Triangle Area Conjecture a b C

Example 1 Find the area of the triangle. 12” 11” 93°

Law of Sines b c a AB C

Example 2 Find e. D F E 250 cm 59° 38°

Try this on your own ex3: 362 m x 46 o 76 o Need to find this angle hint: what do all the angles in a triangle add up to ? X= m

Example 4 Find the measure of angle B. A B C 150’ 250’ 68°

Example 5 – try on your own 51 o x X=

Homework Page 637 # 1 – 11 skip 4