- Complete the table by drawing a triangle in each cell that has the properties listed for its column and row. If you think you cannot draw a triangle with those properties, write “impossible” in the cell.
Share your drawings with a partner. Discuss your thinking. If you disagree, work to reach an agreement.
|acute (all angles acute)||right (has a right angle)||obtuse (has an obtuse angle)|
|row 1||scalene (side lengths all different)|
|row 2||isosceles (at least two side lengths are equal)|
|row 3||equilateral (three side lengths equal)|