# Precalc question involving angles

**Question description**

A "Sparky" is a new measure for angles invented by Pre-Calculus students at Arizona State University. An angle corresponding to one full rotation around a circle measures exactly 170 Sparkies. If one Grad is the measure of an angle whose rays subtend 1/400th of the circumference of a circle, write a function that converts Sparkies to Grads.

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