Page 28 - ACE YR IGCSE A TOP APPR' TO MATHS

(c) Write down the coordinates of point R such that PQR is an isosceles triangle.

[1]
(d) Find the area of the triangle PQR.

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[2]

9 The points A and B have coordinates (–8, 12) and (6, –2).
(a) Calculate the length of line AB.

[3]
(b) Find the coordinates of the midpoint of the line joining points A and B.

[2]
(c) Find the equation of line AB.

[2]
(d) Find the equation of the perpendicular bisector of AB.

[2]
Cambridge IGCSE
TM
66 Ace Your Mathematics

Chapter 3.indd 66 15/03/2022 10:28 AM