Question

Find the value of the third angle in a triangle in degrees ${51}^{\circ },{113}^{\circ }.$

Answer 1

Given two angles of the triangle, ${51}^{\circ },{113}^{\circ }$

Let the third angle be $x$

Sum of the angles = 180

$51+113+x=180$

$x=16$

Third angle = ${16}^{\circ }$