Happy new year!

The area in the red should be equal to the area in the white in your figure.

Thus,

$$
Area = 4 - \pi
$$

SimpleStacker

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!~~

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 

cryotosensei

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.

![](https://m.stacker.news/70603)

Previous iteration: https://stacker.news/items/831086/r/south_korea_ln with the happy.newyear problem, (https://stacker.news/items/831086/r/south_korea_ln?commentId=831751 for a near-integer solution)