How many terms of Arithmetic Progression (A.P) 21, 18, 15, 12 , ..... must by taken to give the sum zero?
Created: 5 years ago |
best des
ATQ,
5x + 6x + 7x = 180
Or, 18x = 180
Or, x = 10
So, the difference in degrees between the biggest and the smallest angles = 70 - 50 = 20 degree.
5x + 6x + 7x = 180
Or, 18x = 180
Or, x = 10
So, the difference in degrees between the biggest and the smallest angles = 70 - 50 = 20 degree.
Md Azizur Rahman
Founder of Satt
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