Answer:
Either mean or median
Step-by-step explanation:
1,2,3,5,5,6,6,7,7
Median=5
Mean=42/9=4.666=4.7
The answer i got was 315.5072 i did what was in the parenthesis and then divided it by 1/2 :)
Any line is 180 degrees, so z is 67 degrees and x is 6.
Area of a triangle= 1/2 (ab) (sin C)
= 1/2 (9 x 11.5) (sin 63.4)
= 46.27