A. 12 centimetres.
Hope this helps!
PT=ST and QT=TR, when angles are verticals their opposite arcs are equivalent. i think. someone feel free to correct me if this is wrong
The circumference of a circle is

and it coresponds to a 360 degree angle.
The circumference of the circle is 2*4*pi=8pi m=25.12m
25.12m......360 degrees
10 m.........x degrees
x=10*360/25.12=143.31 degrees
Answer:17, 23
arthimetic
Step-by-step explanation:
2 --> 3 =1
3 -->5 =2
5 --> 8 =3
on and on by one number