# Suplemental Problems

**Supplemental Problem 1:** 3-D pictorials of two objects are shown with labeled surfaces. Identify those surfaces on the corresponding 2-D orthographic projections. Dashed circles and leaders point to hidden surfaces and edges.

What letter (identifying a surface on the 3-D isometric) matches what number (identifying a surface on the 2-D orthographic projection)?

What letter (identifying a surface on the 3-D isometric) matches what number (identifying a surface on the 2-D orthographic projection)?

**Supplemental Problem 2:** Sketch the front, top and right side views of the following object. Use the grid provided in the book. After you complete the assignment, click on the image to reveal the solution.

**Supplemental Problem 3:** Sketch the front, top and right side views of the following object. Use the grid provided in the book. After you complete the assignment, click on the image to reveal the solution.

**Supplemental Problem 4:** Sketch the front, top and right side views of the following object. Use the grid provided in the book. After you complete the assignment, click on the image to reveal the solution.