2 years ago

Given that angle a = 54° and angle b = 48°, work out 3.

Mathematics

1 answer:

natima [27]2 years ago

7 0

9514 1404 393

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°

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