One side of the triangle is 17 cm, the other side is 8 cm larger than the first, and the third side is 6 cm smaller than the second. What is the perimeter of this triangle?
Brief record of the task:
1st side – 17 cm;
2nd side -? cm, 8 cm more than 1st;
3rd side -? cm, 6 cm less than the 2nd;
perimeter of the triangle -? cm.
1. Calculate the length of the 2nd side of the triangle:
17 + 8 = 25 cm.
25 – 6 = 19 cm.
3. Calculate the perimeter of the figure:
17 + 25 + 19 = 61 cm.
Answer: The perimeter of the triangle is 61 centimeters.
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