Encuentra en cada producto notable el error o errores, enciérralo y escribe el resultado correcto.

Given:

The equation is:

To find:

The error in the given equation and correct it.

Solution:

We have,

Taking left-hand side, we get

It is not equal to right-hand side . In the right hand side, there must be a negative sign instead of positive sign.

Therefore, .

127

whether it's diameter, or radius, i believe if i remember correctly from school, every amount has to always add up to 180. so if you take 53, and starting adding, long story short, taking 127 and adding it to 53, gives you 180.