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jarptica [38.1K]
2 years ago
7

Find the area of the triangle. PLEASE HELP ASPA

Mathematics
2 answers:
mario62 [17]2 years ago
4 0
1/2abSinC
1/2*8*5*sin(140)=12.9cm
* means multiply
ZanzabumX [31]2 years ago
3 0

Answer:

<em>(B). 12.9 cm²</em>

Step-by-step explanation:

a = 8 cm , b = 5 cm , c ≈ 12.259 cm

P = 25.259 , s = P/2 ≈ 12.63

A_{ABC} ≈ 12.856 ≈ 12.9 cm²

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