Question

in the figure below, m∠1 = 67° and m∠2 = 78°. find m∠stw.

Explanation:

Step1: Identify angle composition

$\angle STW = \angle 1 + \angle 2$

Step2: Calculate the sum

$m\angle STW = 67^\circ + 78^\circ = 145^\circ$

Answer:

$145^\circ$