Answer:
a = 4
Step-by-step explanation:
Lets call a² the side a
Let's call b² the side with 3
The hypotenuse, the longest side and the opposite side from the 90° angle is c²
a² + b² = c²
a² + 3² = 5²
a² + 9 = 25
subtract 9 from both sides
a² = 16
sq root 16 = 4
a = 4
If my answer is incorrect, pls correct me!
If you like my answer and explanation, mark me as brainliest!
-Chetan K
