Question

find the area of the triangle, whose two sides containing right angle are 12dm & 13dm.​

Answer 1

Answer:

88dm

12×13×1/2

6×13×1

88dm

Answer 2

Answer:

let the triangle with the side be abc

ab = 13cm

bc = 12cm

ac = ?

(By using Pythagoras Theorem)

ab^2 + bc^2 = ac^2

13^2 + 12^2 = ac^2

169 + 144 = ac^2

313 = ac^2

square root of 313 = ac

ac = 17.69 (Approx.)

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