How to Structure a Proof

A Few Guidelines for Creating a Two-Column

Proof• Copy the drawing, the given, and what you want to prove.

• Make a chart containing a statement column and a reason column.

• Copy the given information in the statement column and put given for the reason.

• Label the drawing to match the givens, if you can.• Look at the drawing, using definitions,

postulates, and theorems to create your next statement.

• On the reason side, explain what is being affected by your statement from the previous step, making sure you then label your drawing, if you can.

• Repeat the previous two steps and check to see if you have reached what is being asked to prove.

Copy the drawing, given, and prove.

Make a chart containing a statement column and a reason column.

Copy the given information in the statement column and put given for

the reason.

Label the drawing to match the givens, if you can.

Copy the given information in the statement column and put given for the

reason.

Label the drawing to match the givens.

Look at the drawing, using definitions, postulates, and theorems to create

your next statement.

On the reason side, explain what is being affected by your statement from the previous step, making sure you then

label your drawing, if you can.

Look at the drawing, using definitions, postulates, and theorems to create

your next reason.

Remember, you can use Given statements like definitions, postulates, and theorems.

On the reason side, explain what is being affected by your statement from the previous step, making sure you then

label your drawing, if you can.

Look at the drawing, using definitions, postulates, and theorems to create

your next reason.

On the reason side, explain what is being affected by your statement from the

previous step, making sure you then label your drawing, if you can.

Look at the drawing, using definitions, postulates, and theorems to create

your next reason.

On the reason side, explain what is being affected by your statement from the previous step, making sure you then

label your drawing, if you can.

Check to see if you reached what you were asked to prove.

Congratulations!You have just completed a

proof!