If you mean vertices of (-1, 4) (2, 7) and (1, 5) then it is an isosceles triangle with a perimeter of square root of 18 plus square root of 5 plus square root of 5 which is about 8.715 rounded to three decimal places.
There are many perimeter formulas, because there's a different one for each shape. P= Perimeter For a rectangle, if L= Length and W=Width, then P= 2L plus 2W .
An isosceles trapezoid is a 4 sided quadrilateral that has 1 pair of opposite parallel sides of different lengths and has 2 equal diagonals plus equal base angles.
The perimeter is the length plus width times 2.
Its perimeter is half of its circumference plus its diameter
If you mean "isosceles" triangle, the perimeter is the sum of twice the known side plus the base.
If you mean vertices of (-1, 4) (2, 7) and (1, 5) then it is an isosceles triangle with a perimeter of square root of 18 plus square root of 5 plus square root of 5 which is about 8.715 rounded to three decimal places.
There are many perimeter formulas, because there's a different one for each shape. P= Perimeter For a rectangle, if L= Length and W=Width, then P= 2L plus 2W .
An isosceles trapezoid is a 4 sided quadrilateral that has 1 pair of opposite parallel sides of different lengths and has 2 equal diagonals plus equal base angles.
The perimeter of a trapezium is the summation of all its sides. So, if a, b, c and d were the sides of the trapezium, then the perimeter would be a plus b plus c plus d.
The perimeter is the length plus width times 2.
Its perimeter is half of its circumference plus its diameter
Plus the side
Perimeter of a triangle = (length of the first side) plus (length of the second side) plus (length of the third side)
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Area = 2Length plus 2Width
Perimeter of a triangle = (length of the first side) plus (length of the second side) plus (length of the third side)