Answer:
- Mean score=120
Step-by-step explanation:
- Areas of a triangle add upto 180degrees (63+78+x=180) 141+x= (x=180-141) x=39
- Areas on a straight line add upto 180degrees
180-78=102
180-63=117
180-39=141
- 102+117+141=360
- Mean=360/3 =120
The area of the rectangle is 47 1/2
Answer:76
Step-by-step explanation:
Hope it help correct me if i am wrong
I need the chart to answer your question but to post ill say b