Question

Find the area of the triangle with sides 21 cm, 16 cm and 13 cm. Also, find the perimeter of an equilateral triangle equal in area to this triangle

Answer 1

Step-by-step explanation:

Find the perimeter of an equilateral triangle whose area is equal to that of a triangle with sides 21cm 16cm and 13cm.

• Step by step explanation :
• Perimeter of the equilateral triangle is 12 √15.

Answer to the question is 12√15.

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Answer 2

Answer:

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