The highest horizontal roo member is the __ valley beam hip rafter ridgeboard Jack rafter

## Step 1<br />The problem is asking us to identify the highest horizontal roof member among the given options. The options are: valley beam, hip rafter, ridgeboard, and jack rafter.<br /><br />## Step 2<br />The valley beam is a horizontal member that runs across the valley of a roof. It is not the highest member.<br /><br />## Step 3<br />The hip rafter is a rafter that extends from the top of the roof to the hip of the roof. It is not the highest member.<br /><br />## Step 4<br />The jack rafter is a rafter that is used to support the hip rafter. It is not the highest member.<br /><br />## Step 5<br />The ridgeboard is a horizontal member that runs along the top of the roof. It is the highest member among the given options.