diff --git a/Ch 16 exericses.md b/Ch 16 exericses.md
index fa0ca5d..cc67e57 100644
--- a/Ch 16 exericses.md	
+++ b/Ch 16 exericses.md	
@@ -1,4 +1,3 @@
-> 1
 
 Yes they are, different structs can have the same field names.
 
diff --git a/Law of Cosines.md b/Law of Cosines.md
new file mode 100644
index 0000000..e69de29