4) the amount they On the world environment day tree plantation programme was arranged on a land which is triangular in shape. Trees are planted such that in the first row there is one tree, in the second row there are two trees, in the third row three trees and so on. Find the total number of trees in 25 rows. p please answer this question
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Answer:
25
Step-by-step explanation:
because in the first raw there is one so in every raw add one until 25
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