Question

problem 19: (first taught in lesson 31) find x. 70° 35° after you enter your answer press go. x =

Explanation:

Step1: Recall exterior - angle property

The exterior angle of a triangle is equal to the sum of the two non - adjacent interior angles.
Let the triangle have angles such that the exterior angle is $70^{\circ}$, and the two non - adjacent interior angles are $x^{\circ}$ and $35^{\circ}$.
So, $70=x + 35$.

Step2: Solve for $x$

Subtract 35 from both sides of the equation: $x=70 - 35$.
$x = 35$.

Answer:

$35$