Find the sum of all odd integers between 70 and 120
1 answer:
Answer:
It forms an AP
AP : 71 , 73 , 75 , .................. 119
a = 71
d = 2
= a + (n-1)d
119 = 71 + (n-1)2
n-1 = (119 - 71)/2
n = 24
= n/2 × (a + )
= 24/2 × (71 + 119)
= 12 × 190 = 2280
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Hi I’m not understanding ur question
I think Lin is trying to convince Andre that all circles are similar by saying all the circles are similar with math.
