Determine if the following conditional statements true or not. Put Tif it is true and F if not. 1.) If a triangle has three sides, then it has four angles. 2.) If a parallelogram has no pair of parallel side, then it has two pairs of congruent sides. 3.) If the number of colors in a rainbow is seven, then so as the number in a week. 4.) If half the diameter is the radius, then the double of the radius is the diameter. 5.) If a president's term of service is 6 years, then the mayor's term of service is 3 years.