Answer
Angle formed by one spoke is\[45{}^\circ \].
Work Step by Step
It is known that there are 360° in a complete revolution. The total angle formed by all spokes of the umbrella will be 360°. There are total 8 spokes in the umbrella and it is given that all the spokes are making an equal angle.
Thus, calculate the angle formed by one spoke as follows:
\[\begin{align}
& \text{Angle by a spoke}=\frac{\text{Total degrees by the umbrella}}{\text{No}\text{. of spoke}} \\
& =\frac{360{}^\circ }{8} \\
& =45{}^\circ
\end{align}\]
