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Week 14 day 4 6 The sums of the angle measures of three polygons are given. Based on the pattern, what will be the sum of the measures of a hexagon in degrees? Record your answer and be sure to use the correct place value. 180°360°540°
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6.5 Trapezoids and Kites Pardekooper
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1st, lets look at some theorems The base angles of an isosceles trapezoid are congruent. Pardekooper
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1st, lets look at some theorems The diagonals of an isosceles trapezoid are congruent. AB CD AC BD Pardekooper
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1st, lets look at some theorems The diagonals of a kite are perpendicular. One of the diagonals is an angle bisector One pair of angles are congruent Pardekooper
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OK, here comes a problem. The following is an isosceles trapezoid. Find the measure of the numbered angles. 2 3 1 65 0 1 = 650 650+1+2+3 = 3600 650+ 650+x+x = 3600 1300+x+x = 3600 1300+2x = 3600 -1300 -1300 2x = 2300 2 2 x = 1150 3 = 1150 2 = 1150 The sum of the angles of a quadrilateral is 360 0 Remember 2 3 Pardekooper
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How about another problem. Find the measure of the numbered angles in the kite. 2 = 900 3 = 900 450+ 900+1 = 1800 1350+x = 1800 -1350 -1350 x = 450 1 = 450 2 1 3 45 0 diagonals of a kite are perpendicular Remember The sums of the angles of a triangle equals 180 0 Pardekooper
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Here comes the assignment. Pardekooper
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Assignment Workbook Page 365 all
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