Circumference 7615

The sides of the rectangle are in a ratio of 3:5. Its circumference is 48 cm. Calculate the length of its diagonal.

Correct answer:

u =  17.4929 cm

Step-by-step explanation:

a:b = 3:5 o=48 cm  48=2 (a+b) a=3/5 b  2a+2b=48 5a3b=0  Pivot:Row1Row2 5a3b=0 2a+2b=48  Row252 Row1Row2 5a3b=0 3.2b=48  b=3.248=15 a=50+3b=50+3 15=9  a=9 b=15  u=a2+b2=92+152=3 34=17.4929 cm

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