Answer:
25%.
Step-by-step explanation:
Let E be the event that the dart lands inside the triangle.
We have been given that a rectangular board has an area of 648 square centimeters. The triangular part of the board has an area of 162 square centimeters.
We know that probability of an event represents the chance that an event will happen.




Convert into percentage:

Therefore, the probability that dart lands inside the triangle is 25%.
6/10 is equal to 0.60
9/12 is equal to 0.75
your answer is not above for D but if D is < then that would be the correct answer :)
Answer:

Step-by-step explanation:

Answer:
0.875
Step-by-step explanation:
i used my calculator :D