Question

How many degrees are there in each of the following$:$

$\frac{7}{9}$ straight angle

Answer 1

As we know that $1$ straight angle $=180°$

$\frac{7}{9}$ of straight angle $=\frac{7}{9}\times 180°$

$=7\times 20°$

$=140°$

Hence$,$ $\frac{7}{9}$ straight angle is equal to $140°$