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20-07-2021
Mathematics

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In ∆ABC , if B= 60° , C = 3cm and A = 12cm . what is the area of ∆ABC?

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sqdancefan sqdancefan

26-07-2021

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Answer:

15.6 cm²

Step-by-step explanation:

The area is given by the formula ...

area = 1/2ac·sin(B) = 1/2(12 cm)(3 cm)sin(60°) ≈ 15.58846 cm²

The area of ΔABC is about 15.6 cm².

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