Given: Quadrilateral BEAD is a parallelogram. a. If the m∠B = x + 25 and m∠A = 2x + 15, what is the m∠A?

b. If BE = 6y + 6 and DA = 2y + 26, how long is BE?

c. Quadrilateral BEAD is a rectangle, and its perimeter is 56 cm. One side is 5 less

than twice the other side. What are the dimensions?​

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.