<span>πd is the circumference of a circle, so with a diameter of 4 a single circle has a circumference of 4π. 1/3 of each circle is in contact with the belt, so that total part is still 4π. Then, the part of the belt connecting from tangent to tangent is 2 radii, so 3 areas is 12. The belt would then be 12+4π cm.</span>
Answer: 3m
And I had to write something for this to be ong enough so thats what this is:)
Answer:(-3,1)
Step-by-step explanation:
Answer:
tn = 8n -7
Step-by-step explanation:
given : t2=9, t4=25
the formula is:
tn = t1 + (n-1) d
gonna find d first:
d = (25-9) /(4-2) = 16/2 = 8
and find tn1:
t1 = 9-8 = 1
so, tn = 1 + (n-1) (8) = 1 +8n -8
tn = 8n -7
8. Perimeter:5.9*2 or you can write 5.9+5.9 equals to 11.8 then add the 3.4
9.perimeter : 8.2+4.2+9.17
Area:(8.2*4.1)/2
