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9ft.
67. a carpenter is building a staircase between the second and
third floors of a building which is 9 feet in height. if the
tread or depth of each step must be 0.83 feet and the slope
of the staircase cannot exceed ,
a. how many steps should he plan?
b. find the measure of the rise or height of each step.

pasagot plsss asap​

Answers

  • Réponse publiée par: RoseTheShadowHunter

    A=125°, B=55°

    Step-by-step explanation:

    A=3B - 40°

    A+B=180°

    3B - 40° + B= 180°

    4B = 180°+40°=220°

    B=220°÷4 = 55°

    A= 3 * 55 - 40° =125°

  • Réponse publiée par: homersoncanceranguiu

    Step-by-step explanation:

    (@[email protected]+#+#;#+#[email protected]#;+#!#

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9ft.67. a carpenter is building a staircase between the second andthird floors of a building which i...