Question

27. The points A(2, 3), B(4, 5) and C (7, 2) are the vertices of triangle ABC.
(1) Write down the coordinates of A1B1C1 if triangleA1B1C1 is the image of triangleABC when
reflected in the origin.
(it) Write down the coordinates of A2B2C2 if triangleA2B2C2 is the image of triangleABC when
reflected in the x-axis.
(iii) Assign the special name to the quadrilateral BCC2B2 and find its area. (2006)

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Answer 1

Step-by-step explanation:

A1(-2,-2). B1(-4,-5). ,C1(-7,-2)

A2(2,-3). B2((4,-5). C2(7,-2)

isoceles trapezium

area =1/2*(10+4)*3=21 sq.units