It is an isosceles triangle which means that side BD=BC, The angles will be also equal i.e. Angle B= Angle C
<h3>Now,</h3>
- Angle B = 4x+19
- Angle C = 2x+33





<h3>Calculating the angles:</h3>


Now, We will find ∠D with the help of angle sum property of triangle

<em>The measure of angles are; 47°,47°,86° respectively</em><em>.</em><em>.</em><em>.</em>
Answer:
m - 7 = 39
The answer is 46
Step-by-step explanation:
Add 7 to 39 to get the answer