yomamaisfat1519
18.05.2021 •
Mathematics
100
La escalera de un coche de bomberos está apoyada contra la pared de una escuela. Si el
ángulo entre la escalera y el suelo es de 43'. ¿A qué altura descansa la escalera sobre la pared?
Aproxima tu respuesta a la centésima más cercana. hipotenusa 13.5 m
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Ответ:
Distance of ladder top from ground = 9.2 meter (Approx.)
Step-by-step explanation:
Given:
Angle of elevation between ground and ladder = 43°
Length of ladder = 13.5 meter
Find:
Distance of ladder top from ground
Computation:
Length of ladder = Hypotenuse
Distance of ladder top from ground = Perpendicular
Sinθ = Perpendicular / Hypotenuse
Sin 43 = Distance of ladder top from ground / Length of ladder
0.6819 = Distance of ladder top from ground / 13.5
Distance of ladder top from ground = 9.20565
Distance of ladder top from ground = 9.2 meter (Approx.)
Ответ: