zainab4822 zainab4822
  • 02-03-2021
  • Mathematics
contestada

Work out the length of AC.
Give your answer to 3 significant figures.
A
29 cm
23°
ch
B

Work out the length of AC Give your answer to 3 significant figures A 29 cm 23 ch B class=

Respuesta :

jimrgrant1 jimrgrant1
  • 02-03-2021

Answer:

AC ≈ 11.3 cm

Step-by-step explanation:

Using the sine ratio in the right triangle

sin23° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{AC}{AB}[/tex] = [tex]\frac{AC}{29}[/tex] ( multiply both sides by 29 )

29 × sin23° = AC , then

AC ≈ 11.3 cm ( to 3 significant figures )

Answer Link

Otras preguntas

4. Compared to the Ottoman Empire, the Safavid Empire was A. sparsely populated and lacked natural resources. B. far from trade routes but rich in oil. C. dense
PLEASE HELP*** (picture attached)
estimate the sum of the decimals by rounding to the nearest whole number. ​
PLEASE HELP SPANISH STEM CHANGING VERBS
Knowledge Check 01 On January 1, Year 1, Abbott Company granted 92,000 stock options to certain executives. The options are exercisable no sooner than December
HELP I CANT FAIL AGAIN
<3 Help! A teacher buys 8 packs of orange erasers
Earth has a diameter of approximately 8,000 miles. If the circumference of a circle can be found using the formula C = πd, what is the circumference of Earth? (
Question Help A company is convinced of the benefits of exercise for its workers. Healthy employees take fewer sick days and tend to be more focused on their jo
Why did countries start to look for a water route to the Indies?