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Magazine Problem 4
In Exercises \(3-6,\) ind the sum of the measures of the interior angles of the indicated convex polygon. (See Example 1.) 14 -gon
Problem 5
Show that the quadrilateral with the given vertices is a trapezoid. Then decide whether it is isosceles. \(\mathrm{M}(-2,0), \mathrm{N}(0,4), \mathrm{P}(5,4), \mathrm{Q}(8,0)\)
Problem 5
In Exercises \(3-8,\) for any rhombus \(JKLM,\) decide whether the statement is always or sometimes true. Draw a diagram and explain your reasoning. $$ \overline{\mathrm{JM}} \cong \overline{\mathrm{KL}} $$
Problem 5
In Exercises \(3-6,\) ind the sum of the measures of the interior angles of the indicated convex polygon. (See Example 1.) \(16-\mathrm{gon}\)
Problem 6
Show that the quadrilateral with the given vertices is a trapezoid. Then decide whether it is isosceles. \(\mathrm{H}(1,9), \mathrm{J}(4,2), \mathrm{K}(5,2), \mathrm{L}(8,9)\)
Problem 6
In Exercises \(3-8,\) for any rhombus \(JKLM,\) decide whether the statement is always or sometimes true. Draw a diagram and explain your reasoning. $$ \overline{\mathrm{JK}} \cong \overline{\mathrm{KL}} $$
Problem 6
In Exercises \(3-6,\) ind the sum of the measures of the interior angles of the indicated convex polygon. (See Example 1.) 20 -gon
Problem 7
In Exercises \(7-10\) , the sum of the measures of the interior angles of a convex polygon is given. Classify the polygon by the number of sides. (See Example \(2 .\) ) $$ 720^{\circ} $$
Problem 8
In Exercises \(7-10\) , the sum of the measures of the interior angles of a convex polygon is given. Classify the polygon by the number of sides. (See Example \(2 .\) ) $$ 1080^{\circ} $$
Problem 9
In Exercises \(7-10\) , the sum of the measures of the interior angles of a convex polygon is given. Classify the polygon by the number of sides. (See Example \(2 .\) ) $$ 2520^{\circ} $$
