Which equation could best be used to determine the value of X? 120
110
155
135
O 120 + 110 +2 +135 + 155 + 2 = 180
O 120 + 110 + 2 + 135 + 155+=720
O 120 + 110 + 2 + 135 + 155 + 2 = 540
O 120 + 110 + 2 + 135 + 155+ 2 = 360

Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.