ICS Part 2 Mathematics Chapter 4 Short Questions Preparation

What is slope or gradient of a line ?

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Define slope-intercept form of a line.

• Ans 1: The line y = mx + c is the slope-intercept form of a non-vertical straight line with slope m and y-intercept is c.

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Define centroid of a triangle.

• Ans 1: The centroid of a triangle is the point of intersection of its medians (the line joining a vertex to the middle point of the opposite side).

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What is slope or gradient of a line ?

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Define in-centre of a triangle.

• Ans 1: The point of intersection of the internal bisectors of the angles of the triangle is called its in-centre.

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Find the slope and inclination of the line bisecting the first and third quadrant.

• Ans 1: Inclination of the line = 45°
  slop of the line = tan 45° = 1

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Define in-centre of a triangle.

• Ans 1: The point of intersection of the internal bisectors of the angles of the triangle is called its in-centre.

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Define circum-centre of a triangle.

• Ans 1: The point of intersection of the perpendicular bisectors of the sides of a triangle is called its circum-centre.

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