7140. Each problem below gives the endpoints ofa segment. Find the coordinates of the midpomt ofthe segment. lfyou need help. consult the Math Notes box for this lesson. Homework Help A a. (5,2) and {11, 14} 13. {3,3} and {10,4} 77141. Below are the coordinates of three points and the equations of two lines. For each line= determine which of the points. if any: lie on that line. (There rna3r be more than one!) Homework Help '\\. .X[0,15} Y{3, 15} 2(7, 0} a.y*;I+l5 b.y16*4[m3} 7142. MUST BE. COULD BE Here are some more challenges lion: .Vh'. Quince}: For each description of a quadrilateral below: say what special type the quadrilateral must be and-'or what special type the quadrilateral could be. Look out: Some descriptions may have no must be statements: and some descriptions may have man}r coufa' be statements! Homework Help \\. a. My quadrilateral has two right angles b. The diagonals of my quadrilateral are perpendicular 77143. 7144. Examine the arrow diagiam below. Homett'ork Hel Polygon is a parallelogram 9 area of the polygon equals base times height. a. Write this conjecture as a conditional (\"If= then") statement. b. Write the converse of this conditional statement. Is the converse statement a true statement? c. Write a similar conjecture about triangles. Write it once as a conditional statement and once as an arrow diagram :1. Write the converse of your tiiangle conjecture from part (c). Is the converse statement true'.' The angle created by a hinged mirror when forming a regular polygon is called a central angle, For example; (A30 in the diagram at right is the central angle of the regular hexagon Homework Help_\\ a, [f the central angle of a regular polygon measures 18 '7; how man}r sides does the polygon have7 13, Can a central angle measure 90\"\"? 130' ' 13D ' For each angle measure; explain how you know spinner at right and mill \"in the amount ofmoney shonn in. the result. How much should each player pa}r to spin the spinner? Explain your reasoning. Homework Help 'x 7145. Jamika deSigned a game that allows some people to win. money and others to lose money= but overall Jamika Will neither Win. nor lose money. Each player Will spin the A I 7-146- Suppose ADBC' is a quadrilateral and the diagonal E lies on y = 7 33 + 5 and diagonal E lies on y = 2:: 7 1. Assume the diagonals intersect at point E. Homework Help '1 a. Without graphing; what is the relationship between the diagonals\" How do you know? b. Graph the lines on graph paper. HE is a midpomt Ufa. What type of quadrilateral could ADBC' be? Is there more than one poESible type:J Explain how you know