The points A (2, 3), B (4, 5) and C (7, 2) are the vertices of ∆ABC. (2006)
(i) Write down the co-ordinates of A1, B1, C1 if ∆ A1B1C1 is the image of ∆ ABC when reflected in the origin.
(ii) Write down the co-ordinates of A2, B2, C2 if ∆ A2B2C2 is the image of ∆ ABC when reflected in the x-axis.
(iii) Assign the special name to the quadrilateral BCC2B2 and find its area.
Solution:
More Solutions:
- In an A.P., if a = 3 and S8 = 192, then d is
- The number of two-digit numbers which are divisible by 3 is
- The sum of first 10 even whole numbers is
- The 11th of the G.P. (1/8), (-1/4), 2, -1, ….. is
- If k, 2(k + 1), 3(k + 1) are three consecutive terms of a G.P.
- The sum of the first 8 terms of the series 1 + √3 + 3 + … is