Polar coordinates worksheet
A polar point says how far out and which way round, instead of how far across and how far up. Converting is just the two right-triangle relationships, so every angle here is one you already know exactly.
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Free math worksheets at sigmaprep.io/worksheets© 2026 Sigma Prep
Sigma Prep · sigmaprep.io/worksheets Name Polar Coordinates Date Period Convert or plot each point, or answer as asked. Leave answers exact unless told to round.
Free math worksheets at sigmaprep.io/worksheets© 2026 Sigma Prep |
Sigma Prep · sigmaprep.io/worksheets Name Polar CoordinatesAnswer keyVersion 1 Date Period Convert or plot each point, or answer as asked. Leave answers exact unless told to round.
Free math worksheets at sigmaprep.io/worksheets© 2026 Sigma Prep |
How to do these
Convert to rectangular:
- x is 6 cos of 5 pi over 6, and cosine there is negative root 3 over 2.
- That gives x equals negative 3 root 3.
- y is 6 sin of 5 pi over 6, which is 6 times one half.
The answer is .
Where students go wrong
Plotting a negative r on the angle's own ray. A negative r points the opposite way, so (-3, 4π/3) is 3 out along π/3, half a turn round from 4π/3.
Also called polar and rectangular coordinates, converting coordinates or polar form of a point.
What you can put on this worksheet
- Polar to rectangular
- Convert to rectangular: →
- Rectangular to polar
- Convert to polar with and : →
- Another pair for the same point
- Name the same point with and : →
- Plot points on a polar grid
- Plot and on a polar grid. — a blank polar grid → : out along ; : out along
- All polar pairs for a point
- Write all polar coordinate pairs for . → and ,
- Distance between polar points
- Find the distance between and , to the nearest hundredth. →
- Plot in degrees, negative angles and r
- Plot and on a polar grid. — a blank polar grid, labeled 1, 2, 3, 4 → A: out along ; B: out along