Question

Area of Non-right Triangles Quick Check
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Question
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 2 and the right of column 4. The second vertex is at the top of row 9 and the right of column 4. The third vertex is at the top of row 6 and the right of column 9.

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

(1 point)
Responses

32.5 square units
32.5 square units

17.5 square units
17.5 square units

35 square units
35 square units

65 square units
65 square units
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