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.
The height has not been given but the area of the triangle is: 0.5*height*base
David Beckham
It is: perimeter minus hypotenus+base = height Area = 0.5*base*height
Divide the area by height then you get the base.
(base x height) / 2
The height has not been given but the area of the triangle is: 0.5*height*base
Height will be h=base*tan(angle).
David Beckham
It is: perimeter minus hypotenus+base = height Area = 0.5*base*height
The relation between the height of a triangle, its base and its area is given by: Area = 0.5 * Base * Height Therefore, we have: Height = (2 * Area)/ Base.
Divide the area by height then you get the base.
Area=1/2(base*height) where either side can be the base or the height in a right triangle.
That will depend on the height of the triangle which has not been given. Base = (84*2)/height
(base x height) / 2
To locate the height of a non-right triangle, you may need to extend the base of a triangle. Then pick one corner and draw a line perpendicular to the extended base. This line you just drew is the height. Finding this height will depend on what triangle dimensions you are given, so the answer will vary. Note: the extended part does not count as the actual base. It is only used to help you find the height of a 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
area of a triangle = 1/2 base x height ie times the area by two then divide by the base = height