Answer:
19
Step-by-step explanation:
note that
(a + b)² = a² + b² + 2ab , that is
a² + b² + 2ab = (a + b)² ← subtract 2ab from both sides
a² + b² = (a + b)² - 2ab
= 5² - 2(3)
= 25 - 6
= 19
Sorry i don’t know what the answer is! I’m very sorry
Answer:
Maybe 60
Step-by-step explanation:
I don't know just please guess sorry but can you mark as brainiest.
Answer:
sometimes
Step-by-step explanation:
it can be only possible in case of obtuse triangle.