# Solution of Triangles, SPM Paper 2 (Long Question)

Question 6:
Diagram below shows trapezium ABCD.

(a) Calculate
(i) ∠BAC.
(ii) the length, in cm, of AD.
(b) The straight line AB is extended to B’ such that BC = B’C.
(i) Sketch the trapezium AB’CD.
(ii) Calculate the area, in cm2, of ∆BB’C.

Solution:
(a)(i)

(a)(ii)

(b)(i)

(b)(ii)