three circles party

Geometry Level 3

Find the length marked with "?".

2 6 2\sqrt6 3 6 3\sqrt6 9 9 7 7 6.5 6.5 6 6 6 \sqrt6

Razing Thunder by Razing Thunder , 16, India

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4 solutions

Zhiqian Chen
Aug 26, 2020

2 Helpful 3 Interesting 1 Brilliant 0 Confused

Which software you used for making this animation

Razing Thunder - 9 months, 2 weeks ago

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Python + Manim :)

Zhiqian Chen - 9 months, 2 weeks ago
Akela Chana
Aug 27, 2020

To enlarge, please Tap on Photo

1 Helpful 1 Interesting 1 Brilliant 0 Confused
Hongqi Wang
Aug 25, 2020

( 6 / 2 + 4 / 2 ) 2 − ( 6 / 2 − 4 / 2 ) 2 + ( 4 / 2 + 3 / 2 ) 2 − ( 6 − 4 / 2 − 3 / 2 ) 2 = 3 6 \sqrt{(6/2+4/2)^2-(6/2-4/2)^2} + \sqrt{(4/2+3/2)^2-(6-4/2-3/2)^2} = 3\sqrt 6

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Razing Thunder
Aug 24, 2020

link to the solution

0 Helpful 0 Interesting 0 Brilliant 0 Confused

It is a question of ntse stage 1. Am i right?

A Former Brilliant Member - 9 months, 3 weeks ago

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i do not know i just saw it on internet but yes it can be of NTSE stage 1

Razing Thunder - 9 months, 3 weeks ago

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