The perimeter of the triangle is 82cm. The sum of the lengths of the first and second sides is 46cm

| January 15, 2021 | education

The perimeter of the triangle is 82cm. The sum of the lengths of the first and second sides is 46cm, and the second and third is 59cm. What is the length of each side?

1) Find out how long the third side of the triangle has, if the sum of the three sides of the triangle is 82 cm, and the sum of the lengths of the first two sides is 46 cm.
82 – 46 = 36 cm.
2) Find out how long the second side of the triangle is, if the sum of the lengths of the second and third sides is 59 cm, and the third side has a length of 36 cm.
59 – 36 = 23 cm.
3) Find out the length of the first side of the triangle if we learned that the length of the second side is 23 cm, and the sum of the lengths of the first two sides is 46 cm.
46 – 23 = 23 cm.
Answer: the length of the first side is 23 cm, the second is 23 cm and the third is 36 cm.



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