miapackard
miapackard
27-02-2018
Mathematics
contestada
Math help? One question?
Respuesta :
sqdancefan
sqdancefan
27-02-2018
My triangle solver says EF ≈ 7.5 ft.
_____
The law of cosines is usually used for this.
EF^2 = DE^2 +DF^2 -2*DE*DF*cos(D)
.. = 6^2 +11^2 -2*6*11*cos(40°)
.. ≈ 55.88
EF ≈ √55.88 ≈ 7.5 . . . ft
Answer Link
VER TODAS LAS RESPUESTAS ( 98+ )
Otras preguntas
Use the rules of significant figures to simplify the following expression: 54.313*12.09
Identify the transition in this sentence. A) quiet people B) that directly C) that is to say D) unspeakable comfort Eliminate
A new drug inactivates the helicase enzyme by binding to its active site. How will this drug most likely affect the process of dna replication?
When you substitute a value for x or y, you are x or y with a value.
what is naturalism in literature?
An object in geometry with no width length or height is
Why has the U.S. government become increasingly concerned about terrorism?
the area of a rectangle is 162 square meters. if the length is 18 meters, what is the perimeter of the rectangle
If 3over2x +6 =2x +1 what is the value of x
sharon arrange flowers in 5 jars for a party. she puts 4 carnations, 4 roses,and 2 daisies in each jar.how many flowers does sharon use?
