Find the area of the triangle; AB = 5, BC = 8 and ∠CAB = 60

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Find the area of the triangle; AB = 5, BC = 8 and ∠CAB = 60

A20√3

B10√3

C15√3

D12

Answer:

Area = 1/2 × ab× sinx

= 1/2 × 5 × 8 × sin60

= 20 × √3/2

= 10√3

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