D 1. A roof has sides of length 30 m and 20.7 m. The long side is elevated at an angle of 35. There is a support strut running from the base of the short side to a point 16 m up the long side. 20.7 m 30m B 16m 35 a) To the nearest tenth of a metre, how wide is the base of the roof? [4A] b) To the nearest tenth of a metre, how long is the support strut? [4A]