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

Please answer quickly
calculate the area of a rectangle with an altitude of 30cm and a diagnol of 50cm
b) how does a vaccine change the body
why are medical related professions and human resources important? ​
Lee atentamente y escoge la opción con la serie correcta de palabras que corresponde al texto. Read carefully and choose the option with the correct list of wor
Which of the following was an effect of plebeians leaving Rome in 494 BCE? A. Patricians gained more political power and closed the city walls. B .Without a lab
Find an equation of the circle that has center (1, -1) a and passes through (5. – 6).
Factor the trinomial below. x² + 4x - 12 A. (x – 4)(x + 3) B. (x+6)(x - 2) C. (x-6)(x+2) D. (x + 4)(x-3)
Which of these is most likely to happen during a solar storm? (2 points) Group of answer choices All places on Earth will experience severe thunderstorms. Satel
spanish homeowrk please use correct spelling and grammar because its a test AND PLEASE DO IT IN ORDER