- [Maximum mark: 10]
The quadrilateral ABCD has coordinates A(1, 3, 5), B(4, 7, 5), C(5, 8, 7) and D(2, 4, 7).
(a) Write down AD→. [1]
(b) Calculate
(i) the size of BÂD.
(ii) the area of triangle BAD. [7]
(c) Show that ABCD is a parallelogram. [2]
8
Math Applications HL Paper 1 (May 2024, TZ2)