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 ( 72+ )
Otras preguntas
the writers of the articles of confederation wanted to preserve the states’ ____________. a. sovereignty b. confederation c. country d. liberty
generally people cover 110 yards in 11 seconds. express the speed in feet per second. (3 feet = 1 yard)
The earth's interior heat and pressure drive mantle convection. This is the power that drives _____, the main force behind earthquake and volcanic activity. pla
Volcanoes found at divergent plate boundaries tend to produce which type of lava? A. felsic B. mafic C. intermediate D. dioritic
Which organism comes first in a food chain? fungus hawk plant mouse
what is the GCF of 22,88,10,50?
what costs and risks were involved in going on pilgrimages
A solid state drive is a removable flash memory device that you insert and remove from a slot in a computer, mobile device, or card reader/writer. TRUE or FALSE
What is one reason that an author may choose to relate events in memoir form?
write a comparison problem you can solve using addition or subtraction. draw a bar model to represent the situation. describe how the information in the bar mod
