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Not possible without at least one other angle.

If you have the length of one side, a ninety degree angle, and one other angle - you can work out the third angle and the lengths of the missing two sides. once you have all three side measurements, it's a simple task to calculate the area.

Q: How to get the area of a right triangle given only 1side?

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The given dimensions are not compliant for the construction of a right angle triangle but the area of any triangle is: 0.5*base*height

The height has not been given but the area of the triangle is: 0.5*height*base

(base x height) / 2

A= 1/2(b)(h)

There is no right triangle on the right! (Ignore the length of the hypotenuse of a right triangle.) if you have the length of the two legs (base and the upright side): (base x upright) ÷ 2 = area of the right angle triangle.

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The given dimensions are not compliant for the construction of a right angle triangle but the area of any triangle is: 0.5*base*height

The height has not been given but the area of the triangle is: 0.5*height*base

Yes providing that it's an equilateral triangle or a right angle isosceles triangle.

The given dimensions would not form a right angle triangle but in general the are of a triangle is 0.5*base*perpendicular height

If you are only given the side lengths of a scalene triangle, it is impossible for you to find for the area, unless you are given more information... like the height of the triangle for example. If this is a right triangle you would like to find the area of, you can multiply the length of each leg with each other, and then divide that product by 2 to conclude the area of the triangle.

A right angle triangle fits the dimensions given

Area of a right angle triangle is: 0.5*base*height

(base x height) / 2

1/2*base of triangle*height(the perpendicular)=Area of right angled triangle

A= 1/2(b)(h)

There is no right triangle on the right! (Ignore the length of the hypotenuse of a right triangle.) if you have the length of the two legs (base and the upright side): (base x upright) ÷ 2 = area of the right angle triangle.

Use trigonometry if another angle is given. Use Pythagoras' theorem if the hypotenuse is given. Multiply the area by 2 and divide it by its height if the area is given. Or simply measure it.