The length of an arc rounded to the nearest hundredth is 4.75units
<h3>How to calculate the length of an arc?</h3>
The formula for calculating the length of an arc is expressed as:
L = rtheta
where
r is the radius = AB = 4 units
theta is the central angle = <ABC = 68 degrees
Substitute
L = 4(68π/180)
L = 4.75units
Hence the length of an arc rounded to the nearest hundredth is 4.75units
Learn more on length of an arc here: brainly.com/question/2005046
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If the world temperature rises by two degrees, mountain glaciers and rivers will start to disappear and mountainous regions will see more landslides, as the permafrost that held them together melts away.
For more info: https://www.google.com/amp/s/news.sky.com/story/amp/what-will-happen-as-the-world-gets-warmer-10336299
When rising convection current of magma occurs and push the plate apart.
hope it helps~
