Question

find the value of x in the diagram
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Answer 1

2x + x + 90° = 180°

⇒ 3x + 90 = 180

⇒ 3x = 180 - 90

⇒ 3x = 90

⇒ x = $\tt{{\dfrac{90}{3}}}$

⇒ x = 30°

Answer 2

Answer:

x=30°

Step-by-step explanation:

as right angle=90°

sum of all interior angles in triangle=180°

180°-90°

=90°

2x+x=90°

3x=90°

x=90°÷3

=30°