Name each polygon by its number of sides and then classify it as convex or concave and regular or irregular. Name of the Polygon: Choose... Concave or Convex: Choose... Regular or Irregular: Choose...

Draw 17. Consider points A(2,3,-4), B(0,1,2), and C(-1,2,0). a. Find the point D so that ABCD will be a parallelogram. Then find the area of parallelogram ABDC. b. Find the area of triangle ABC. с. Find the distance from point B to line AC. (Hint: Use the area of the triangle ABC)

Use a ruler, protractor, and compass to construct, when possible, a triangle with the stated properties. Decide if there can be two or more noncongruent triangles with the stated properties. Complete parts (a) through (c). (a) A right triangle with legs (the sides including the right angle) of length 3 cm and 5 cm How many noncongruent triangles of this form can be drawn? O A. zero O B. one O C. two or more (b) A triangle with sides of length 3 cm and 5 cm and a nonincluded angle of 60° How many noncongruent triangles of this form can be drawn? O A. one O B. two or more O C. zero (c) An isosceles triangle with two sides of length 8 cm and an apex angle of measure 28° How many noncongruent triangles of this form can be drawn? O A. zero O B. one OC. two or more

Which figure is not a polygon? A. Triangle B. Parallelogram C. Rhombus D. Dodecagon E. Circle