Rectangular 63094

Calculate the perimeter and the area of a rectangular garden if the diagonal length is 18 m long and one of the sides of the garden is 9m long.

Correct answer:

o =  49.1769 m
S =  140.2961 m2

Step-by-step explanation:

u=18 m a=9 m  u2=a2+b2  b=u2a2=18292=9 3 m15.5885 m  o=2 (a+b)=2 (9+15.5885)=49.1769 m
S=a b=9 15.5885=81 3=140.2961 m2

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