Geometry

[k-mae]

How do i find the area of an isosceles right triangle when i only know the hypotenuse is 18cm?

 

[tkhunny]

You use the properties of both types and out it pops.

What do you know of the relationship between the lengths of the sides of isosceles triangles?
What do you know of the relationship between the lengths of the sides of right traingles?