Chapter Name : Constructions |
Sub Topic Code : 104_10_11_03_01 |
Topic Name : Construction Of Tangent To A Circle |
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Sub Topic Name : Construction Of Tangent To A Circle |
Using constructions we can make tangents to a circle from a point outside it.
Lines and angles, circles, tangents
Observe how bending one end of the wire to make it touch its other end, divides it into half.
Where can you find a circle with both tangents from a point outside the circle?
Key Words | Definitions (pref. in our own words) |
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Compass | A tool which helps in making circles and angles. |
Line segment | A line of definite length. |
Bisector | A line that divides another angle or line. |
Gadgets | How it can be used |
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Wire | Keeping the wire taut acts as a line segment and it can be cut into smaller pieces. |
In engineering applications.
Examples | Explainations |
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Cycle pedal chains | Chains extend to the circle making tangents at the common points. |
Steps of construction to make tangents to a circle.
How to draw tangents from a point outside a circle using constructions.
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