- Math
- A targent to a circle is perpendicular to the radius of the circle drawn to the
- Age 14-15
-
level: Grade 9
- English
คำแนะนำของผู้เขียน
The angle between the radius and targent is 90 degrees.
Opposite angles in cyclic quadrilateral add to 180 degrees.
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Circle Theorem G9 B
- Math
- A targent to a circle is perpendicular to the radius of the circle drawn to the
- Age 14-15
- level: Grade 9
- English
คำแนะนำของผู้เขียน
The angle between the radius and targent is 90 degrees.
Opposite angles in cyclic quadrilateral add to 180 degrees.