Respuesta :

Answer:

Step-by-step explanation:

A(3,1),B(3,7) means at 3 length of y =7-1=6

A(3,1),C(6,1) means at y=1 ,length of x=6-3=3

it forms a right angled triangle with base=3

and height=6

area=1/2×3×6=9 sq . units

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