lockshernostaw
lockshernostaw lockshernostaw
  • 26-02-2020
  • Mathematics
contestada

In △CDE , DE=10 , CE=5 , and m∠E=58∘ .

What is the length of CD¯¯¯¯¯ ?

Enter your answer, rounded to the nearest hundredth, in the box.

Respuesta :

amna04352
amna04352 amna04352
  • 26-02-2020

Answer:

8.49 units

Step-by-step explanation:

CD is the length opposite angel E

Use cosine law

CD² = 10² + 5² - 2(10)(5)cos(58)

CD² = 72.00807358

CD = 8.485757101

CD = 8.49 units

Answer Link

Otras preguntas

It is the structure that marks the division between the right and left lobes of the liver.
what is light intensity? ​
Exam InstructionsQuestion 18 of 20 :Select the best answer for the question.18. Supreme Court Justices are appointed for a term ofA. 14 years.B. 6 yearsc. life.
what is light intensity? ​
which graph describes the relation {(1,2),(1,-2),(-1,2),(-2,0)}
I’m not sure if it’s in the correct order
healthy mind healthy body healthy lifestyles poster can someone tell fast plsss
Find the probability of the given event. A bag contains 7 red marbles, 2 blue marbles, and 3 green marbles. A randomly drawn marble is blue.
A damaged 1200-kg car is being towed by a truck. Neglecting the friction, air drag, and rolling resistance, determine the extra power required (a) for constant
The president can finalize the budget without the approval of congress because of his executive power-true -false