4 years ago

What is the value of x?

Mathematics

1 answer:

garik1379 [7]4 years ago

5 0

Answer:

Step-by-step explanation:

The angle 30° and 2x are complementary angles.

Two angles are called complementary angles, if their sum is one right angle (90°).

Therefore we have the equation:

30 + 2x = 90 subtract 30 from both sides

2x = 60 divide both sides by 2

x = 30

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