Question

An obtuse angle is an angle whose measure is greater than 90${}^{\circ }$ and less than .

Answer 1

An obtuse angle is an angle whose measure is greater than 90${}^{\circ }$ and less than 180${}^{\circ }$.

Examples: 91${}^{\circ }$, 179${}^{\circ }$, 140${}^{\circ }$, and more