Question

please do this sum i want it​

Answer 1

Answer:

15+12= 7 IS THEanswer OK give me brilliant king

Answer 2

Answer:

Mark me as a Brainliest plz

Step-by-step explanation:

Using Pythagoras Theorem :-

a² + 12² = 15²

=> a² = 15² - 12²

$= > a = \sqrt{ ({15})^{2} - ({12})^{2} } \\ = > a \: = \sqrt{225 - 144} \\ = > a \: = \sqrt{81} \\ = > a = 9$

Therefore the value of a is 9.