Question

ABC is a triangle , right - angled at c. If AB =25 cm and AC = 7 cm, find BC. (plz solve it i will mark brainliest)

Answer 1

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Answer 2

$<b>$Your answer !!

Given:

ABC triangle

AB = 25 cm = Hypotenuse (h)

AC = 7 cm = Perpendicular (p)

BC = ? cm = Base (b)

$by \: pythagorus \: theorem.... \\ \\ = > {h}^{2} = {p}^{2} + {b}^{2} \\ \\ = > {25}^{2} = {7}^{2} + {b}^{2} \\ \\ = > 625 = 49 + {b}^{2} \\ \\ = > 625 - 49 = {b}^{2} \\ \\ = > 576 = {b}^{2} \\ \\ = > {24}^{2} = {b}^{2} \\ \\ = > 24 = b$

We know BC = base (b)

=> b = 24 cm

Therefore, BC = 24 cm


Thanks !!