Use the image to answer the question.
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 3 and the right of column 3. The second vertex is at the bottom of row 10 and the left of column 1. The third vertex is at the bottom of row 10 and the right of column 10.
What is the area of the non-right triangle? The base and height are found by counting the squares.
(1 point)
The area is
square units.
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An illustration shows a 10 by 10 grid. A non-right triangle is enclosed within the grid. The first vertex at the top of row 2 and the right of column 8. The second vertex is at the top of row 4 and the right of column 1. The third vertex is at the bottom of row 10 and the right of column 8.
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 1 and the right of column 10. The second vertex is at the top of row 4 and the left of column 1. The third vertex is at the bottom of row 10 and the right of column 10.
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 7. The second vertex is at the top of row 2 and the right of column 1. The third vertex is at the top of row 10 and the right of column 9.
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 6. The second vertex is at the top of row 10 and the right of column 1. The third vertex is at the bottom of row 10 and the right of column 9.
The base of the triangle is 4 squares and the height is 9 squares. Therefore, the area of the triangle is (1/2) x 4 x 9 = 18 square units.
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I apologize for the mistake. Let's re-calculate the area of the triangle using the correct information.
The base of the triangle is 9 squares, and the height is 7 squares. Therefore, the area of the triangle is (1/2) x 9 x 7 = 31.5 square units.
Therefore, the area of the non-right triangle is 31.5 square units.