61st or sixty-first.
you count the number of boxes IN the shape.
Lenght X Width, then you divide the number by 2.
To find the area of a triangle find the base and the height of the triangle. Then multiply the base by the height, then divide by 2. To find the perimiter of a triangle add together the outside edge of the triangle. To find the area of a triangle find the base and the height of the triangle. Then multiply the base by the height, then divide by 2. To find the perimiter of a triangle add together the outside edge of the triangle.
90
61st or sixty-first.
It is: number of sides -2 = number of triangles
(61 x 2) - 1 = 121
two 7
first you would find the base (the bottom of the triangle ). Then you would need to find the length of the triangle (measure the top of the triangle all the way to the top point to the bottom of the triangle) then times the two number than divide the answer times 2 and you should get your answer
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61st is spelled out as "sixty-first."
you count the number of boxes IN the shape.
Lenght X Width, then you divide the number by 2.
To find the area of a triangle find the base and the height of the triangle. Then multiply the base by the height, then divide by 2. To find the perimiter of a triangle add together the outside edge of the triangle. To find the area of a triangle find the base and the height of the triangle. Then multiply the base by the height, then divide by 2. To find the perimiter of a triangle add together the outside edge of the triangle.
measure it with a ruler if there arent any numbers...
90