6.1 Angles and Their Measure/43

Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://en.wikipedia.org/api/rest_v1/":): {\displaystyle -135^{\circ}\cdot\frac{\pi}{180^{\circ}}=\frac{\cancel{3}\cdot -3\cdot \cancel{3}\cdot \cancel{5}}{1}\cdot\frac{\pi}{{2}\cdot {2}\cdot \cancel{5} \cdot \cancel{3} \cdot \cancel{3}} = -\frac{3\pi}{4} }