Find the area of the following polygons:
Given: AC=12
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2 answers:
Answer:
54 square units
Step-by-step explanation:
Answer:
54 units²
Step-by-step explanation:
½×5×12 + ½×4×12
30 + 24
54
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55 x 5 = 275 words
285 - 275 = 10
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Step-by-step explanation:
Double angle identity for sine:


Factorize the left side.

Pythagorean identity:


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