Answer:
See below
Step-by-step explanation:

Hence, both ratios are equal to each other
Right Triangles and the Pythagorean Theorem
The Pythagorean Theorem, a2+b2=c2, a 2 + b 2 = c 2 , can be used to find the length of any side of a right triangle.
The side opposite the right angle is called the hypotenuse (side c in the figure).
Answer:
A
Step-by-step explanation:
it is like your hands hold your hand put to make a l shape that is 90⁰ and imaine that more opened out.