Question

What is the value of c?
c2 = 42 + 122

Answer 1

C = 82

Explanation:

first do 42 + 122 = 164

then you take the 2 from c2 and use it to divide 164 ÷ 2 = 82

and c2 means c × 2 so you take 82 and multiply it by 2 which will check if your division is right

82 × 2 = 164

so c = 82

Answer 2

`{c}^(2) = 42 + 122 \\ {c}^(2) = 164 \\ c = √(164) \\ c = 12.80`