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The perimeter of a right triangle is 60cm.its hypotenus is 25cm. Fund area of triangle. |
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Answer» Peeimeter = 60 cmHyp.= 25 cmThe remaning side must be 60- 25 = 35 cmLet one side be x The third side be 35 - xBy 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 + 12252x ka 2 - 70x + 60 = 02x (x - 20) - 30 ( x- 20) = 0(x- 20) (2x - 30) = 0x- 20 = 0x = 202x - 30 = 0 2x = 30x = 15So one of side is 20 cm and 15 cmIf one side is 20 Then other side 35 - 20 = 15 cmIf it is measured is 15 Then othet side 35 - 15 = 20 Therefore Ar. Of ∆1/2 × height × base1/ 2 × 20 × 15150 cm ka 2 Here is your answer Aur vo power he Ka 2. Wala Height =15 .......base =20So, area will be 150 square cm |
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