rykershawnthompson rykershawnthompson

11-05-2020
Mathematics

contestada

In ΔDEF, the measure of ∠F=90°, DE = 70 feet, and EF = 57 feet. Find the measure of ∠D to the nearest tenth of a degree.

Respuesta :

sqdancefan sqdancefan

11-05-2020

Answer:

54.5°

Step-by-step explanation:

You know that in a right triangle, the sine of an angle is given by ...

Sin = Opposite/Hypotenuse

sin(D) = EF/ED = 57/70

The inverse sine function is used to find the angle:

∠D = arcsin(57/70)

∠D ≈ 54.5°

Answer Link

Otras preguntas

1.6 hours to .95 hours percent of change

Which one of the following political interest groups falls into the organized labor category? A. American Rifle Association B. National Audubon Society C. Nati

S04 chemical formula

Contrasting How does internationalism differ from isolationism?

Name the Egyptian gods and goddesses

Cris answered 61 out of 66 questions correctly on a test. what is his test average to the nearest thousand?

what the different between interstitial fluid with blood.

Studying how people get along with one another a. has little use outside the workplace b. can improve a person's personal life. c. for most people is a diffi

On the number line, which month`s temperature will be between April and May? month Feb -5 March

What is the greatest negative integer?