Answer:
55 i think
Step-by-step explanation:
Make 6 1/2 an irrational fraction: 13/2 (I dunno know if its called that )
divide 16 by 2: 8
multiply that by 13: 104
Tell me if this helps or not bc I'm not really sure, but I really hope I helped!
x-8°+20°= 90°
=>x+12°=90°
=>x=90°-12°
=>x= 78°
0.14