1. Find the perimeter of the triangle
with the sides of 8 cm, 5 cm and 9 cm long.
2. Find the perimeter of the triangle,
if the first side is of 8 cm long, the second side is in 4 cm longer, and
the third side measure is half of the sum of that of the first and the second
sides.
3.Find the missed side of the triangle,
if the first side is 7 cm long, the second side is 2 cm shorter and the
perimeter of the triangle is 16 cm.
4.In a triangle, the second side is in
7 cm longer than the first one and the third side is in 4 cm shorter than the
second one. Find the measures of the triangle sides, if the perimeter of the
triangle is 40 cm.
5.Find the measures of
the triangle sides, if the second side is in 6 cm shorter than the first one, the
third side measure is half of the sum of the measures of the first and the
second sides, and the perimeter of the triangle is 30 cm.
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