Question

in the figure below, m∠1 = 48° and m∠2 = 99°. find m∠stw.

Explanation:

Step1: Identify angle - addition property

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

Step2: Substitute given values

$m\angle STW = 48^{\circ}+99^{\circ}$

Step3: Calculate the sum

$m\angle STW=147^{\circ}$

Answer:

$147$