1.) System of measurement using scale in inches where one foot equals 12 inches.

A. English
B. Standard
C. Graduation
D. Metric

2.) A medium thick line composed of short dashes about 2-3 millimeters long with space between dashes about 1-2 millimeters wide; it represents the surface or edges that cannot be seen.

A. Dimension Line
B. Object Line
C. Center Line
D. Hidden Line

3.) A pictorial drawing that shows the three surfaces of the object tilted 30 degrees in front of the observer.

A. Orthographic Drawing
B. Isometric Drawing
C. Perspective Drawing
D. Pictorial Drawing

4.) This lines must have a distance of about 10 millimeters from the edge of the object and approximately 2 millimeters after the dimension Line.

A. Center Line
B. Dimension Line
C. Extension Line
D. Hidden Line

Please pasagot at explain

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