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Height will be h=base*tan(angle).
David Beckham
A = 1/2(base)(height)
By using the tangent ratio of: opposite/tangent angle = adjacent which is the base
You have to use trig. If the base angle is a and base b, the height is b tan(a).
If it is a right angled triangle then it is 0.5*(base)*(height) of the triangle half the base times by the height imagine it as half the area of a rectangle of the two triangles * * * * * That is all very well if you know the base and the height. Sometimes you know only the three sides. Or only two sides and an angle, or two angle and a side. There are a whole host of formulae for such circumstances.
The area of a triangle is base x height / 2. Height should be perpendicular to base.
With a 30 deqree angle at the top of a triangle and a height of 15
Yes, that works for any triangle. The height always has to be at a right angle to the base. If there is an angle over 90 degrees, you may have to extend the base.Yes, that works for any triangle. The height always has to be at a right angle to the base. If there is an angle over 90 degrees, you may have to extend the base.Yes, that works for any triangle. The height always has to be at a right angle to the base. If there is an angle over 90 degrees, you may have to extend the base.Yes, that works for any triangle. The height always has to be at a right angle to the base. If there is an angle over 90 degrees, you may have to extend the base.
The side you use as the base does not matter. What does matter is that the height is the perpendicular distance between this side and the other vertex. If there is a right angle in the triangle, then use the two sides next to it as the base and height. Otherwise a bit of trigonometry will be required to work out the height of the triangle if it is not given.
If the triangle is right-angled then you should be able to use Pytharoras Theorem to calculate the missing side otherwise you need an angle to be able to use trigonometry
The measurement of the angle of the triangle...supposing it is a triangle.