The Perimeter of one triangle is 98.7 inches
Triangle is a polygon that has three sides and three angles. Types of triangles are equilateral, isosceles, right angled triangle.
Two equal right angled triangles can be fused together by placing the second triangle upside down to form a rectangle.
The length of each triangle side is 21 inches, 36 inches (72/2) and x. x is gotten using Pythagoras theorem:
x² = 21² + 36²
x = 41.7 inches
Perimeter of one triangle = 41.7 + 21 + 36 = 98.7 inches
The Perimeter of one triangle is 98.7 inches
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The perimeter of one triangle is 168 inches.
The perimeter of a triangle is the distance round the triangle. It is the sum of the length of the three sides of the triangle.
When two right angled triangles are joined together at the hypotenuse, it becomes a rectangle.
In order to determine the perimeter, the value of the third side, the hypotenuse has to be determined. The hypotenuse would be determined using the Pythagoras theorem.
The Pythagoras theorem: a² + b² = c²
where a = length
b = base
c = hypotenuse
21² + 72²
= 441 + 5184
= √5625
= 75 inches
Perimeter = 21 + 72 + 75 = 168 inches
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