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

The number of electoral votes each state is assigned is determined by the size of its population every ten years. The chart shows the number of electoral votes
What is the document many colleges use for undergraduate students
Why does Arthur Morgan want to leave the town of Blackwater and why did no one else escape except Jhon and Abigal
New and I Tired; inexperienced
How do I do this using elimination 2x+3y=12 X-y=6
HELP ME WITH THIS QUESTION ASAP!!
Ana: Which dresses are you buying? Maria: I’m buying these dresses. Which demonstrative adjective below is the equivalent of “these”? estos estas esos
in the years following World War 1 , the Red Scare played a key role in the following political changes except
Rearrange the formula c^2 = a^2 + b^2 for b
Louise measured the perimeter of her rectangular scrapbook to be 154 cm. If the scrapbook is 45 cm wide, how long is the scrapbook?