Answer:
270 centimeters squared
Step-by-step explanation:
A = H x W / 2
A = 18 x 30
A = 270
A, 2/5
8 + 10 + 9 + 6 + 7 = 40
9 + 7 = 16
16/40
divide both sides by 8 (common factor)
2/5