06-05-2017
Mathematics

contestada

A 20-foot pole leaning against a wall reaches a point 18 feet above the ground .what is the angle which the pole makes with the ground to the nearest degree

Respuesta :

06-05-2017

sinα=h/L

α=arcsin(h/L)° we are told that h=18 and L=20 so

α=arcsin(9/10)°

α≈64° (to nearest whole degree)

Answer Link

Otras preguntas

explain step by step how to arrive at a single rational number to represent the following expression. Show both a written explanation and th related math work f

how do organisms that are not autotrophs get they energy they need to sustain life

A climber starts descending from 533 feet above sea level and keeps going until she reaches 10 feet below sea level.How many feet did she descend?

What did the United States promise in the Monroe Doctrine? to allow Spain to reclaim Florida to stay out of European affairs to keep Great Britain as an ally to

Which traits are characteristic of multicellular organisms? Choose all answers that are correct. A. different cells for different functions B. develop into spec

Sexual reproduction in paramecia is called _____. conjugation fission meiosis

Which rulers are not known for hiring the first-known biographers? a. Greek rulers c. Egyptian rulers b. Babylonian rulers d. Roman rulers

Unscramble the spanish words to make a complete sentence. Mamá ay harto los quehaceres de estoy

Secretary of State John hay was an advocate of A. an open door with China. B. high tariffs on Chinese products. C. a closed door policy with China. D. an exc

Mark the statement if it correctly describes the Mongol conquest of Russia. a. The Mongols who invaded Russia were called Kazans. b. The Mongols only attacked