Angle 5 is 90 and because all the angles should add to 360 degrees, angle 4 is 20, and angles 3 and 6 are 70 and 70. 90+90+20+20+70+70= 360
Yes.
1467-776=691
Which means 776 believed the country was protected and 691 believed the country wasn't.
I need the number to answer

40.249 rounded would be 40.2
Length of one side times how many sides there are .P= S x N
Okay, here goes. Notice that since the line of reflection was the x-axis, the x-coordinate of each vertex stays the same and the y-coordinate of each vertex is the opposite of the original vertex, so in that case the answer is 4 or D.