Explain why a secant touches a circle at one point

Reference no: EM13304630

1. The three isometric axes are: vertical and two axes 30 degrees from horizontal.
2. Oblique projection is a perspective projection method.
3. Isometric view represents a parallel projection method.
4. In orthographic, incline and oblique planes are the same.
5. The intersection of two planes is represented either by a continuous or a hidden line.
6. A secant line is a straight line that goes through the center of a circle.
7. A secant touches a circle at one point.
8. An angle bisector is the locus of all points equal-distant from the two sides of an angle.
9. The center of an arc tangent to two lines is on the angle bisector of the two lines.
10. Each of the angles of a pentagon is 60 degrees.
11. Each of the angles of a hexagon is 120 degrees.
12. The intersection of a plane and a cylinder is a circle if the plane & cylinder are perpendicular
13. Ellipse is a geometry with major and minor axes.
14. The diameter of an ellipse is twice as its radius.
15. The intersection of an incline plane and cylinder is either an ellipse or a hyperbola.
16. The top view in orthographic projection shows the width and depth of an object.
17. In third-angle projection, the projection plane is between the viewer and the object.
18. There are four standard orthographic views corresponding to the four sides of a cube.
19. Perspective projection is used when the object spans a large distance, e.g., a house or a bridge.
20. In first-angle projection, he right side view is placed to the right of the front view.
21. Given a line and a point , the point is the center of only one circle tangent to the line.
22. Constructing an arc tangent to two circles is always possible provided the fillet radius in reasonable.
23. A polygon can always be inscribed in a circle.
24. An octagon has eight equal sides.
25. A circle, passing through 3 points, can always be constructed, if three points are not on a straight line.
26. The smallest circle, passing through two points, is one where the two points form a diameter.
27. Two orthographic views are sufficient to describe the shape of a cylinder.
28. The 3 mayor axes in oblique projection are: vertical, horizontal and 30 degrees with horizontal.

Reference no: EM13304630

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