Please help me answer the question

Step-by-step explanation:

By Pythagoras' Theorem, the sum of squares of the side lengths of a right-angled triangle is the square of its hypotenuse.

In Question 11, 2^2 + 1^2 = a^2. a = √5.

In Question 12, 2^2 - 1^2 = b^2. b = √3.

the factors of 24 are 1, 2, 3, 4, 6, 8, 12 and 24. hope this ! mark brainliest! you v much! : )

answer: what are the following choices