Find the sum of the first 31 terms of the following series, to the nearest integer. 5,14,23,..
1 answer:
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Answer:
189.25in^2
Step-by-step explanation:
r^2
a*b
3.14 * 5^2 = 78.5
78.5/2 = 39.25
10 * 15 = 150
39.25+150=189.25