Exercise 6.1 (Answers on p. 583)
Find the perimeter of the rectangle ABCD where A(4, ), B(4. -2), C(-3,-!|
D(-3, 5).
2. Find the area of the triangle ABC where
(a) A(2, 1), B(5, 1) and C(6,5),
(b)A(3, 2), B(3, 6) and C(-2, 3),
1) A(1,5), B(-2,5) and C(1, -1),
(d) A(-1,2), B(1, 2) and C(3,5).
3. Find the area of the trapezium ABCD where A(4, -1), B(2,3), C-1/
-
D(-2,-1).