Practice problem
Add 45∘45^{\circ}45∘ to π2\frac{\pi}{2}2π radians.
125∘125^{\circ}125∘
135∘135^{\circ}135∘
3π5\frac{3\pi}{5}53π
5π6\frac{5\pi}{6}65π
Type a concept, like “slope” or “photosynthesis”.