9:20 am
Lcm is 80 so 80 minutes after 8 am is 9:20
4 months because, 2 divided by 0.5 is 4 therefore she has been measuring the tree for 4 months
The ratio of 114 hours to 13 days is 19:52.
<h3>How to calculate the ratio?</h3>
It should be noted that ratio is simply used to show the comparison between two things that are illustrated.
In this case, we want to calculate the ratio of 114 hours to 13 days. It should be noted that 24 hours make one day. Therefore, 13 days will be:
= 13 × 24 = 312 hours.
The ratio of 114 hours to 13 days will be:
= 114 / 312
= 19 / 52
The ratio is 19:52.
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Length of arc=angleO/360×2pi×r
=108/360×22/7×14×14
=3/10×22×2×14
=66×2×14/10
=1848/10
=184.8inches
