The isosceles triangle can be split into two right-angled triangles. Pythagoras’ theorem can then be used on either of the two right-angled triangles. The 25 cm length becomes the hypotenuse so ...
He is the kind of man who would use the theorem of Pythagoras in place of a ladder ... the sum of the squares on two sides of an isosceles right-angled triangle equals the square of the hypotenuse.
Here's the deal; there was this Greek guy named Pythagoras, who lived over 2,000 ... What it means is that in a right triangle (where one angle equals 90°), the sum of the squares of two sides ...