if an area of an isosceles right angled triangle is 32 cm square. then the length of its longest altitude is equal to?
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The triangle is a right angled isoceles triangle.
We know that for a right angle triangle,
where c is the hypotenuse, a and b are the sides
we know that this is an isosceles triangle,
which means that
a = b
So,
[tex] c^{2} = a^{2} + a^{2} [/tex]
or,
Now, dump these values in heron's formula for area of a triangle
You will get the values of a,b,c
Either a or b will be the longest altitude of the triangle
We know that for a right angle triangle,
where c is the hypotenuse, a and b are the sides
we know that this is an isosceles triangle,
which means that
a = b
So,
[tex] c^{2} = a^{2} + a^{2} [/tex]
or,
Now, dump these values in heron's formula for area of a triangle
You will get the values of a,b,c
Either a or b will be the longest altitude of the triangle
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