Alice purchased a cell phone for 30% ff the original price. The sales price was $84 . What was the original price of the cell
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Answer:
is
Step-by-step explanation:
var x = +3 (one side of right angled triangle)
var y = +1 (the other side of the right angled triangle)
Use the Pythagoras' Theorem.
3² + 1² = 10