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In triangle PQR, if PQ = 10 cm, QR = 24 cm, and PR = 26 cm, what is the area of the triangle?

Practice Questions

1 question
Q1
In triangle PQR, if PQ = 10 cm, QR = 24 cm, and PR = 26 cm, what is the area of the triangle?
  1. 120 cm²
  2. 120√3 cm²
  3. 240 cm²
  4. 48 cm²

Questions & Step-by-step Solutions

1 item
Q
Q: In triangle PQR, if PQ = 10 cm, QR = 24 cm, and PR = 26 cm, what is the area of the triangle?
Solution: Using Heron's formula, s = (10 + 24 + 26)/2 = 30. Area = √(30(30-10)(30-24)(30-26)) = √(30*20*6*4) = 120 cm².
Steps: 0

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