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find the area of a triangle with perimeter 22cm , one side is 9 cm and difference of other two sides is 7 cm |
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Answer» Answer: Step-by-step EXPLANATION: LET the sides be a,b,c a+b+c=22 is given Case 1 Let b = 9cm And a-c=7cm So we GET a=10cm,b=9,c=3cm This triangle is POSSIBLE since it follows the triangle law Area will be according to herons formula √(11×1×2×8) area=4√11 sq.cm Pleas let me know if the above SOLUTION is understandable. |
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