acaciaalexesmith acaciaalexesmith
  • 06-05-2024
  • Mathematics
Answered

Find the length of side DE to 1 decimal place.
D
42°
E
F
12

Find the length of side DE to 1 decimal place D 42 E F 12 class=


Answer :

olumideolawoyin
olumideolawoyin olumideolawoyin
  • 06-05-2024

Answer:

16.1

Step-by-step explanation:

Using Trigonometric ratio,

Cos E = adjacent / hypotenus

Cos 42° = 12/DE

DE = 12/ Cos 42°

DE = 16.1

Answer Link

Other Questions

Magic squares when added all rows & columns equal the same #, such as the example on q #7. I need Question #8 . Please help
although there are a limited number of amino acids, many different types of proteins exist because ? a: size if a given amino acid can very. b: chemical composi
How do you do the equation 3.25 divided by 5.2
Is 1/2 equivalent to 7/12
what were the two names of the rivers that were in southwest asia
Does the surrounding air become warm or cool when vapour phase of H2O condenses? Explain
A really simple question that I just don't understand.
Which element reacts spontaneously with 1.0 M HCl at room temp? 1.copper 2.gold 3.silver 4.zinc
Friction between a skateboard wheel and the surface produces             ?
if x+y+z=9, xy+yz+zx =26; find x²+y²+z²