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Mathematics 12 Online
OpenStudy (anonymous):

The vertices of quadrilateral QRST are listed below. Q(-7, 4), R(4, 4), S(3, -5), T(-8, -5) What is the approximate perimeter of the quadrilateral? 40.11 units 31.06 units 20.06 units 99.61 units

OpenStudy (mayankdevnani):

HINT :- Use distance formula

OpenStudy (mayankdevnani):

and then sum of all the lengths ,you will get PERIMETER

OpenStudy (mayankdevnani):

can you solve it ?

OpenStudy (anonymous):

Yeah i got it thanks

OpenStudy (mayankdevnani):

if two points \(\large \bf (x_1,y_1) ~and~(x_2,y_2)\),then to find distance between them we use distance formula. Distance formula ; \[\large \bf \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\]

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