Question

please tell fast needs urgently​

Answer 1

Answer:

plz follow me and mark brainlist

Step-by-step explanation:

i think answer is 35

Answer 2

Answer:

a) 35

Step-by-step explanation:

(a+b+c)² = a²+b²+c²+2ab+2bc+2ca

(9)² = a²+b²+c²+2(ab+bc+ca)

81 = a²+b²+c²+2(23)

81 = a²+b²+c²+46

81-46 = a²+b²+c²

Thus, a²+b²+c² = 35

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