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Marrrta [24]
3 years ago
11

Help with some math please!!!!!

Mathematics
1 answer:
Blababa [14]3 years ago
6 0

ANSWER

B. 12

EXPLANATION

The given triangle is isosceles, because two of the arms are equal.

The angles directly under these two arms and the base are equal.

Therefore the three angles of the isosceles triangle are

84°, 4x°,4x°

The sum of these angles is 180°

84 + 4x + 4x = 180

84 + 8x = 180

Group similar terms,

8x = 180 - 84

8x = 96

Divide both sides by 8

x = 12

The correct choice is B.

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