Hey please help :3 will mark Brainliest ! Be geniuine

Answer:
Area is 648
Step-by-step explanation:
Each of the 6 triangles has base RI = 18 and height of ED/2 = 24/2 = 12
Area of each triangle is 18*12/2 = 108
And we have 6 triangles, for a total of 108*6 = 648