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Srija Ghosh from Kendrya Vidyalaya Number 2 Colaba, mumbai
Subject :IMO    Class : Class 6

Jatin was trying to tessellate regular pentagons. He managed the following figure.

The size of angle ‘a’ is:

A30
B32
C36
D44


how do we do this one?

Ans 1:

Manish Dhoot from Sun city world school, Gurgaon
Class : Class 4
36 because - angle of regulat pentagon = 108 therefore a = 360 - 108-108-108

Ans 2:

sarthak from MIT WPS PUNE, PUNE
Class : Class 6

Ans 3:

SASANK SEKHAR SAHOO from Salipur Public School, Salipur
Class : Class 6
36

Ans 4:

suman bharti from ST Joseph's Convent Girls S.S School, Jabalpur
Class : Class 6

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