Calculate 66814

Calculate the area and perimeter of the right triangle ABC if A [5.5; -2.5] B [-3; 5] C [-3; -2.5]

Correct answer:

S =  31.875
o =  27.3358

Step-by-step explanation:

A=(5.5,2.5) B=(3,5) C=(3,2.5)  AB=(BxAx)2+(ByAy)2=((3)5.5)2+(5(2.5))211.3358 AC=(CxAx)2+(CyAy)2=((3)5.5)2+((2.5)(2.5))2=217=821=8.5 BC=(BxCx)2+(ByCy)2=((3)(3))2+(5(2.5))2=215=721=7.5  AB>AC AB>BC  c=AC2+BC2=8.52+7.5211.3358 c = AB S=2AC BC=2217 215=8255=3187=31.875
o=AB+AC+BC=11.3358+8.5+7.5=27.3358

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