Rewrite the equation as .

Multiply both sides of the equation by .

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Simplify .

Cancel the common factor of .

Factor out of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Combine and .

Multiply by .

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Mixed Number Form:

Solve for z 172/180=z/100