Can someone kindly explain and answer this for me please!

Answer:
25
Step-by-step explanation:
7 * 7 = 49
24 * 24 = 576
576 + 49 = 625
[tex]\sqrt{625} = 25[/tex]
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The square on the hypotenuse of a right-angled triangle is equal in area to the sum of the squares on the other two sides.
a = 7
b = 24
The measure of the hypotenuse c.
By using the Pythagoras Theorem, we get
[tex] {c}^{2} = {a}^{2} + {b}^{2} [/tex]
[tex] {c}^{2} = {7}^{2} + {24}^{2} [/tex]
[tex] {c}^{2} = 49 + 576[/tex]
[tex]c = \sqrt{625} [/tex]
[tex]c = 25[/tex]
Option A. 25 is the correct answer.