Question

5pi^c= by applying formula D/90=G/100=2C/pi​

Answer 1

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Answer 2

The measure of an angle in degrees, grades and radians be D, G and C respectively, then relation between them

90

D

=

100

G

=

π

2C

but 1

∘

=(

π

180

)

∘

≃57

∘

,17

′

,44.8

′′

and sum of interior angles of a n-sided regular polygon is (2n−4)

2

π

. On the basis of above information, answer the following questions :The number of sides of two regular polygon are as 5 : 4 and the difference between their angles is

20

π

, then the number of sides in the polygons respectively are - 10 and 8

hope it helps