Rayna is building a tapered staircase using wooden boards. the bottom stair is 312 ft wide, and the top stair is 216 ft wide. each stair is 4 in. shorter than the one below. what is the total length of wooden boards rayna needs for the stair tops, in feet? enter your answer in the box as an improper fraction.

What is the value of x? enter your answer in the box. x = two intersecting tangents that form an angle of x degrees and an angle of 134 degrees.

How do you write a paragraph proof to prove that the corresponding angles shown are congruent

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.