https://mrprof.net/ MR. MOHAMED ELGAYAR SAAT MATHEMATICS In the triangle, if = , then find A 80 C 40 B 20 D 160 is a rectangle, find the perimeter of the triangle A 40 C 60 B 20 D 80 page47 https://mrprof.net/ 0565279055 MR. MOHAMED ELGAYAR