kuurlyfruy kuurlyfruy
  • 18-08-2019
  • Mathematics
contestada

Answer please due today

Answer please due today class=

Respuesta :

aamaruf
aamaruf aamaruf
  • 18-08-2019

Answer:

CD=9

Step-by-step explanation:

ΔABD=>

AD²=AB² + BD²                  [Pythagorean Theorem]

BD²=   AD²-AB²

BD²=9²-3²

BD²=72

BD=√72=6√2....(1)

ΔBCD=>

CD²=BD²+BC²

CD²=(6√2)² + 3²

CD²=72+9

CD²=81

CD=√81

CD=9

Answer Link

Otras preguntas

Why were goods imported to the colonies taxed by parliament?
solve each proportion 1.5/6=10/p p=?
What immediate effect will the pieds-noirs have on these native Algerians' lives?
The mid-Atlantic colony of Pennsylvania was founded by William Penn PRIMARILY because of his
Decaying uranium atoms in Earth’s crust result in _____. a. U-235 b.explosions c. high-level waste d. radon gas
What is the relationship between the 6s in 6,600 value of the given digits?
Round the number 157 to the nearest tens plce
The height of an airplane as it descends to an airport runway
If you we''re asked to express the weight in ounces of a ladybug in scientific notation, would the exponent of 10 be positive or negative? Justify your response
The panic of 1837 resulted in large measure from.. A. the policies of Martin Van Buren B. the costs associated with Indian removal C. complex changes in the int