Rectangle 62854

The aspect ratio of the rectangle and its diagonal is 9:12:15. Calculate the area of the rectangle if the length of the diagonal is 105 cm.

Correct answer:

a =  63 cm
b =  84 cm

Step-by-step explanation:

u=105 cm a:b:u = 9:12:15  a=9x b = 12x u = 15x  x=u/15=105/15=7 cm  a=9 x=9 7=63 cm
b=12 x=12 7=84=84 cm   Verifying Solution:   d=a2+b2=632+842=105 cm d2=92+122=15 x



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