Math, asked by memes2495b, 1 month ago

please tell answer fast

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Answered by tripti9889608467

0

Answer:

(1) (a)√S(s-a) (s-b) (s-c)

(2) (b) bh/2

(3) (d) 84m²

(4) (c) 30m²

Step-by-step explanation:

(3) √21(21-13) (21-15) (21-14)

√21*8*6*7

√3x7x2x2x2x2x3x7

84m²

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