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12-07-2020
Mathematics

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Determine the measure of obtuse angle A. answers: A) 130° B) 122° C) 58° D) 7°

Determine the measure of obtuse angle A answers A 130 B 122 C 58 D 7 class=

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PollyP52 PollyP52

12-07-2020

Answer:

B) 122 degrees.

Step-by-step explanation:

Consider the kite :- the 2 angles at the tangents are 90 degrees so we have:

9x - 5 + 14x + 24 + 90 + 90 = 360

9x - 5 + 14x + 24 = 180

23x + 19 = 180

23x = 161

x = 7

So the obtuse angle = 14(7) + 24

= 98 + 24

= 122 degrees.

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