Find area of triangle where two sides are 9 and 12 cm and perimeter is 34 cm
Answers
Answered by
88
Answer :-
Perimeter of traingle = 34
Let the 3rd side be x
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➩
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Sides of traingle = 13 cm , 12 cm and 9 cm
- a = 13 cm
- b = 12 cm
- c = 9 cm
- s = 34/2 = 17 cm
Substituting the value in Heron's formula -
➩ Area of traingle = 52.15 cm²
Answered by
18
Answer:
Perimeter of traingle = 34
Let the 3rd side be x
Sides of traingle = 13 cm , 12 cm and 9 cm
- a = 13 cm
- b = 12 cm
- c = 9 cm
- s = 34/2 = 17 cm
- Substituting the value in Heron's formula -
➩ Area of traingle = 52.15 cm²
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