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The perimeter of a right triangle …

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The perimeter of a right triangle is 60cm.its hypotenus is 25cm. Fund area of triangle.

Posted by Manish Singh 6 years, 10 months ago

CBSE > Class 10 > Mathematics

2 answers

Paras ? ? Shah ? ? 6 years, 10 months ago

Peeimeter = 60 cm Hyp.= 25 cm The remaning side must be 60- 25 = 35 cm Let one side be x The third side be 35 - x By pythagoras therom Hyp.ka 2 = base ka 2 +. Perpendicular ka 2 25 ka 2 = x ka 2 +. 35 - x ka 2 625 = x^ 2 + x ka 2 - 70x + 1225 2x ka 2 - 70x + 60 = 0 2x (x - 20) - 30 ( x- 20) = 0 (x- 20) (2x - 30) = 0 x- 20 = 0 x = 20 2x - 30 = 0 2x = 30 x = 15 So one of side is 20 cm and 15 cm If one side is 20 Then other side 35 - 20 = 15 cm If it is measured is 15 Then othet side 35 - 15 = 20 Therefore Ar. Of ∆ 1/2 × height × base 1/ 2 × 20 × 15 150 cm ka 2 Here is your answer Aur vo power he Ka 2. Wala

0Thank You

Raj Kumar 6 years, 10 months ago

Height =15 .......base =20 So, area will be 150 square cm

0Thank You

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CBSE > Class 10 > Mathematics