The perimeter of a triangle is 7p^–8p +9 and two of its sides are 2p^–p +1 and 11p^–3p +5. Find the third side of the triangle.
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Answer:
Delta \) AEF \( \equiv \Delta C D F \quad \) ASA Rule So. EF \( = D F \) and \( B E = A E = D C \quad
Step-by-step explanation:
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Given:
- Perimeter of triangle, (P) =
- First Side, () =
- Second side, () =
To Find:
- The third side of the triangle.
Solution:
- We know that perimeter of a triangle = Sum of all three sides.
- Let P be the perimeter of the triangle, be the first side and be the second side.
- Let the third side be denoted by "".
- We need to find the value of "".
- Perimeter, (P) = + +
- Substituting the given values,
- ⇒ = + +
- ⇒ =
- ⇒ =
- ⇒
- ⇒
∴ The third side of the triangle is
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