Question

3. The sides of a right-angled triangle are
(x - 1) cm, 3x cm and (3x + 1) cm. Find :
(i) the value of x,
(ii) the lengths of its sides,
(iii) its area.
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Answer 1

Answers :

i) x = 8

ii) AB = 7cm; BC = 24cm ; AC = 25cm

iii) 84 sq cm

For explanation refer the attachment !

Answer 2

See the image of the answer.