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INSCRIBED AND CIRCUMSCRIBED CIRCLES TO A GIVEN TRIANGLE

CONTENT

  1. Inscribed Circle to a Given Triangle
  2. Circumscribed Circle to a Given Triangle

Inscribed Circle to a Given Triangle

Geometric Construction: Triangle - Types of triangle - Inscribed circle to a given triangle

The three sides of the given triangle are tangential to the inscribed circle

The procedure for drawing the inscribed circle to a given triangle is as follows:

  1. Draw the given triangle ABC.
  2. Bisect any two angles of the triangle. The bisecting lines will intersect at O, which is the centre of the inscribed circle.
  3. Draw a perpendicular line to any side from O to meet the side at D
  4. With O as centre and radius OD draw the inscribed circle.

 

Circumscribed Circle to a Given Triangle

The circumference of the circumscribed circle to a given triangle touches the vertices of the given triangle.

Geometric Construction: Triangle - Types of triangle - Circumscribed circle to a given triangle

The procedure for drawing the circumscribed circle to a given triangle is as follows:

  1. Draw the given triangle ABC
  2. Bisect any two sides of the given triangle.

Lesson tags: Basic Technology Lesson Notes, Basic Technology Objective Questions, JSS2 Basic Technology, JSS2 Basic Technology Evaluation Questions, JSS2 Basic Technology Evaluation Questions Second Term, JSS2 Basic Technology Objective Questions, JSS2 Basic Technology Objective Questions Second Term, JSS2 Basic Technology Second Term
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