Mathematics
Study the graph and answer the following questions :
(a) Write down the co-ordinates of points A, B and C.
(b) Calculate the area of triangle ABC.
Related Questions
Use graph paper for this question. Take 2 cm = 1 unit along both the axes.
(i) Plot the points A(2, 3), B(2, 2) and C(3, 2).
(ii) Reflect A, B and C about x-axis and name them as A', B' and C' respectively.
(iii) Reflect A, B, C, A', B' and C' about y-axis and name them as A'', B'', C'', A''', B''' and C''' respectively.
(iv) Join A, B, C, C'', B'', A'', A''', B''', C''', C', B', A' and A to make a closed figure.
Plot points A(0, 3), B(4, 0), C(6, 2) and D(5, 0). Reflect the points as given below and write their coordinates :
(a) Reflect A on x-axis to A’.
(b) Reflect B on y-axis to B’.
(c) Reflect C on x-axis to C’.
(d) D remain invariant when reflected on the line whose equation is …………… .
(e) Join the points A, B, C, D, C’, B, A’, B’ and A to form a closed figure. Name the closed figure BCDC’.