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Australian AMC 2010 - Intermediate Question 19

AMC AUSTRALIA · Australian AMC 2010 - Intermediate

Question 19

The side length of the grid squares in the figure is 1 cm.

Question illustration

What is the area, in square centimetres, of the shaded triangle?
  1. $\frac{120}{40}$
  2. $\frac{111}{40}$
  3. $\frac{116}{40}$
  4. $\frac{125}{40}$
  5. $\frac{121}{40}$