8 is b because a circle is 360.
Euler's formula is given by:
C + V = A + 2
Where,
C: number of faces
V: number of vertices
A: number of edges.
Clearing A we have:
A = C + V-2
Substituting values:
A = 21 + 14-2
A = 33
Answer:
the missing number is:
C.33
Trapezoid because a trapezoid is a quaderateral with 4 sides
The appropriate choice is ...
A. 3 radians
_____
Arc length (s) is given in terms of radius (r) and central angle (θ) in radians by the formula
s = rθ
When you substitute your given information, you have
3r = rθ
Dividing by r gives
θ = 3 . . . . . . . radians
A. 16 minutes.
b. around 3.5 tasks.
