Respuesta :

Answer:

180 plants  

Step-by-step explanation:

the area of a right triangle is: ab/2

side a = 8

side b = 15

8 x 15 = 120

120/2 = 60

Michael wants 3 plants for every square yard (multiply by 3)

60 x 3 = 180

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Answer:

180

Step-by-step explanation:

Height times width/2 equals the area of a triangle. 8 times 15 divided by 2 equals 60. 3 plants per square yard. 3 times 60 equals 180.

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