ANSWER
3) b
EXPLANATION
Given that:

and

Recall that the sine and cosine functions are equal for complementary angles.
This implies that,


Can you show the expression plz
Ignore what is scribbled out but I hope this helps!
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▹ Answer
<em>Area = 9</em>
▹ Step-by-Step Explanation
A = b * h ÷ 2
A = 9 * 2 ÷ 2
A = 9
Hope this helps!
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