Asolid object may be drawn as a flat plane object showing all sides, or it may be drawn as an isometric drawing. from the list below, choose which statements about solid objects drawn as isometric drawings are true. i. circles are drawn exactly as circles. ii. circles are drawn as ellipses and not as exact circles. iii. horizontal lines are drawn at 30° angles above the horizontal. iv. horizontal lines are drawn at 60° angles above the horizontal. v. vertical lines are drawn at 90° angles above the horizontal. vi. vertical lines are drawn at 120° angles above the horizontal.

For isometric drawings, these are true :

II. Circles are drawn as ellipses and not as exact circles.

III. Horizontal lines are drawn at 30° angles above the horizontal.

V. Vertical lines are drawn at 90° angles above the horizontal.

Step-by-step explanation:

Now,

An isometric drawing allows the designer to draw an object in three dimensions. Isometric drawings are also called isometric projections. This type of drawing is often used by engineers and illustrators that specialize in technical drawings.

For example, when an engineer has an idea for a new product, he or she will probably create a sketch to show a client or investor. And chances are, the sketch will be an isometric drawing.

In isometric projections, horizontal lines are drawn at 30° to the original horizontal, where as vertical lines are remained unchanged.

Even though horizontal lines are at 30°. the measurements of length does not change. so, the circle look like an ellipse.

⇒ The true statements are:

 II. Circles are drawn as ellipses and not as exact circles.

III. Horizontal lines are drawn at 30° angles above the horizontal.

V. Vertical lines are drawn at 90° angles above the horizontal.

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step-by-step explanation:

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answer: x=60