Question

3. Consider the diagram for Parts A and B. А A. The value of x is (2x) D B. The measure of Angle A is BO C С E

Answer 1

We have:

$x+2x+90=180\Rightarrow3x+90=180\Rightarrow3x=180-90\Rightarrow3x=90\Rightarrow x=\frac{90}{3}$$x=30$

Then, the measure of angle A is A = 2*30 = 60, m