Question

Mark (✓) against the correct answer
The complement of 80° is

(a) 100°
(b) 10°
(c) 20°
(d) 280°

Answer 1

$$\begin{gathered} \left(\mathrm{b}\right)10° \\ \begin{array}{l}{\text{Complement of 80}}^{°}\text{=}{90}^{°}-{80}^{°}\\ {=10}^{°}\end{array} \end{gathered}$$