The area of the triangle is 3/4 units.
What is area of the triangle?
The total area that is bounded by a triangle's three sides is referred to as the triangle's area. In essence, it is equal to 1/2 of the height times the base, or A = 1/2 b h. Therefore, we need to know the triangular polygon's base (b) and height (h) in order to calculate its area.
Suppose
x is the shorter leg of the triangle.
As the longer leg of a right triangle is three times as long as the shorter leg.
⇒ 3x is the longer leg of the triangle.
The hypotenuse of the triangle is, √5.
By using Pythagorean theorem,
[tex]x^2 + (3x)^2 = (\sqrt{5} )^2\\x^2 + 9x^2 = 5\\10x^2 = 5\\x^2 = \frac{5}{10}\\ x^2 = \frac{1}{2} \\x = \frac{1}{\sqrt{2} }[/tex]
⇒ Shorter leg of the triangle is 1/√2.
⇒ Longer leg of the triangle is 3/√2.
Now to find the area of the triangle.
Area of triangle = [tex]\frac{1}{2}(\frac{1}{\sqrt{2} })(\frac{3}{\sqrt{2} } )[/tex]
[tex]A = \frac{3}{4}[/tex]
Hence, the area of the triangle is 3/4 units.
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