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[Not-so-daily puzzle] Area of a diamond
453 sats \ 4 comments \ @south_korea_ln 1 Jan science
Let's go easy on the hung-over, an easy problem today.
The figure shows a circle and four arcs, all having a radius of 1. Find the area of the red diamond-shaped region.
Previous iteration: #831086 with the happy.newyear problem, (#831751 for a near-integer solution)
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300 sats \ 1 reply \ @SimpleStacker 1 Jan
Happy new year!
The area in the red should be equal to the area in the white in your figure.
Thus,
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30 sats \ 0 replies \ @south_korea_ln OP 1 Jan
Happy new year to you too!
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0 sats \ 1 reply \ @cryotosensei 2 Jan
I feel like this is a problem that can appear on the Pri Sch Leaving Exam Maths paper for my country haha.
Thanks for posting it. I confess that I couldn’t make head or tail out of it
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0 sats \ 0 replies \ @south_korea_ln OP 2 Jan
Forget about the orange and white regions. Replace them with a single color and mentally remove the big circle line. It should make things easier...
I am always amazed at what Pr School kids are expected to achieve, academically. Singapore will conquer the world!~~
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