Question

Given that angle a = 54° and angle b = 48°, work out 3.
a
b
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The diagram is not drawn accurately.
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Answer 1

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Answer:

  x = 78°

Step-by-step explanation:

The sum of the interior angles of a triangle is 180°.

  x + a + b = 180°

  x = 180° -a -b . . . . . . . . add -a-b to both sides

  x = 180° -54° -48°

  x = 78°