Question

Pleas answer this question now

Answer 1

`x = 17`

Explanation:

According to the two tangent theory, tangent MN and tangent NP, which are both from point N, are congruent.

That is,
`x + 4 = 21`

Solve for x

`x + 4 = 21`

Subtract 4 from both sides

`x + 4 - 4 = 21 - 4`

`x = 17`