diff --git a/extra_credit_1/README.md b/extra_credit_1/README.md
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+# Extra Credit #1
+## Worth 1 point toward Final Grade
+
+Print out the polar coordinate chart place the center of the chart on a dart board. Throw
+darts at the bullseye (the crosshair `+`). Throw enough dart to leave 5 holes in the
+chart. Record the 5 radii and angles. Edit the `data.csv` file in this folder to add your
+5 data points. 
+
+
diff --git a/extra_credit_1/data.csv b/extra_credit_1/data.csv
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+radius (cm), angle (degrees)
+0, 0
+2.25, 62
diff --git a/extra_credit_1/polar_graph.pdf b/extra_credit_1/polar_graph.pdf
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