3 years ago

GEOMETRY QUESTION: PLEASE ANSWER FAST!

Mathematics

1 answer:

Scrat [10]3 years ago

4 0

Answer:

<A = 30

<B = 150

Step-by-step explanation:

cos<A = AK / AB
AK = 4
AB = 8
Cos<A = 4/8
Cos<A = 1/2
A = Cos-1(0.5)
A = 30 degrees
Since BC and and AD are parallel, the interior angles of <A and <B sre supplementary.
<A + <B = 180
30 + <B = 180
<B = 180 - 30
<B = 150

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