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ABC is a right-angled triangle atB. AB=(3x+2)cm and BC=2CM.GIVEN THAT THE AREA OF THE TRIANGLE IS 85CM SQUARE FIND THE VALUE OF X.

Say that the

height= 3x+2
base= 2

Area of a triangle equals 1/2 base times height


(1/2) of the base is 1

and 1 times the height (3x+2) is 3x+2

Since the area equals 3x+2 and 85 you can set those numbers equal to each other to solve for x


See if you can solve for x from this point

Just ask if you need any more help :-)

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