Answer :
These kinds of triangles are referred to as right-angle triangles because they have two angles that are acute and one at 90°.
Only a right-angle triangle can use it.
This theorem states that the square sum of the other two sides, Base and Perpendicular, and the longest side, Hypotenuse, is equal.
(H y p o t e n u s e) 2 = (B a s e) 2 + (P e r p e n d i c u l a r) 2
According to Pythagoras' theorem, "The square on the hypotenuse is equal to the sum of the squares on the other two sides" holds true for all right-angled triangles. The longest side, the hypotenuse always faces the right angle. A right angle is used in this triangle, where a 2 is equal to b 2 and c 2.
To learn more about Pythagoras' theorem here
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