Write a notice as a secretary of eco club of our school.To celebrate world environment day
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Answer:
This is to inform the students from classes IX to XII that the school's Environment Club is going to hold 'Tree Plantation ...
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Hey! Welcome to brainly hope you are enjoying it :)
Explanation:
Given angle of pentagon are x,x+20,x+40,x+60 and x+80
We know that sum of angle of pentagon =540
0
Then x+x+20+x+40+x+60+x+80=540
⇒5x+200=540
⇒5x=540−200
⇒x=
5
340
=68
o
Then smallest angle of pentagon is 68
o
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