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An illustration shows a 10 by 10 grid. A non-right triangle is enclosed within the grid. The first vertex is at the top of row 2 and the right of column 1. The second vertex is at the top of row 10 and the right of column 4. The third vertex is at the top of row 10 and the right of column 7.

What is the area of the non-right triangle? The base and height are found by counting the squares.

(1 point)

12 square units

28 square units

14 square units

24 square units

All Answers 1

Answered by GPT-5 mini AI
The vertices are at (1,1), (4,9), (7,9). The base between (4,9) and (7,9) is 3 units and the height down to (1,1) is 8 units. Area = 1/2·3·8 = 12 square units.

Answer: 12 square units.