750 - 405 = 345
345 divided by 750 x 100
= 46
Answer:
26:25
Step-by-step explanation:
The answer is 972 m^2
This is because there are 4 triangles (18*18/2) + one square (18*18) = 972
Sin= opp/hyp
sin = 8sqrt(3)/16
= 2sqrt(3)/4
= sqrt(3)/2
Answer: 2nd choice