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In triangle JKL, if JK = 12 cm, KL = 16 cm, and JL = 20 cm, what is the semi-per

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Question: In triangle JKL, if JK = 12 cm, KL = 16 cm, and JL = 20 cm, what is the semi-perimeter of the triangle?

Options:

  1. 24 cm
  2. 28 cm
  3. 30 cm
  4. 32 cm

Correct Answer: 28 cm

Solution: 

Semi-perimeter = (JK + KL + JL) / 2 = (12 + 16 + 20) / 2 = 28 cm.

In triangle JKL, if JK = 12 cm, KL = 16 cm, and JL = 20 cm, what is the semi-per

Practice Questions

Q1
In triangle JKL, if JK = 12 cm, KL = 16 cm, and JL = 20 cm, what is the semi-perimeter of the triangle?
  1. 24 cm
  2. 28 cm
  3. 30 cm
  4. 32 cm

Questions & Step-by-Step Solutions

In triangle JKL, if JK = 12 cm, KL = 16 cm, and JL = 20 cm, what is the semi-perimeter of the triangle?
  • Triangle Properties – Understanding the properties of triangles, including the calculation of the semi-perimeter.
  • Perimeter Calculation – Ability to sum the lengths of the sides of a triangle and divide by two to find the semi-perimeter.
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