Which of the following could be its length?

A. 3m B. 16m C.18m D.20m

(SHOW YOUR SOLUTION)​


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Answer:

Which of the following could be its length?

A. 3m B. 16m C.18m D.20m

(SHOW YOUR SOLUTION)

Answer : B. 16m

Step-by-step explanation:

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Answer:

A .3m

Step-by-step explanation:

Possible dimensions:

Sn = n/2 [2a + (n - 1)d]

S30 = 30/2 [2(25) + (30 - 1)(1)]

= 15 [50 + 29]

= 15 [79]

1x13

2x14

3x15