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chaina

· started a discussion

· 1 Months ago

explanation (Question: 109009.0 )

internal angle formula kha he

Question:
The ratio of number of sides of two regular polygons is 5 : 4 and the difference between each internal angles of both the regular polygons is 6, then the number of sides are : 
Options:
A) 15, 12
B) 5, 4
C) 10, 8
D) 20, 16
Solution:
Ans: (a) Taking option (a) : number of sides = 15, 12

(are in the ratio 5 : 4)

The difference of internal angles = \(\cfrac{360}{15}\approx\cfrac{360}{12}=6\) (satisfying)

Hence, option(a) is the correct option.

sunil

· commented

· 1 Months ago

bhai internal angle ka difference same h toh ...external ka bhi same hga ....
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