3 years ago

In the figure above abc is a square .. what is the value of x?

Mathematics

1 answer:

Len [333]3 years ago

4 0

If ABCD is a square, then m∠A = 90°.

Therefore we have the equation:

30° + 48° + x° = 90°

78° + x° = 90° |-78°

x° = 12°

Answer: 12

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