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just olya [345]
2 years ago
10

In the diagram, ABC is a right - angled triangle.

Mathematics
1 answer:
Firdavs [7]2 years ago
4 0

\to \rm \sin(30)  = \dfrac{AC }{AB}

\\  \\

\to \rm \sin(30)  = \dfrac{AC }{40}

\\  \\

\to \rm  \dfrac{1}{2} = \dfrac{AC }{40 \degree}

\\  \\

\to \rm  \dfrac{40}{2} =AC

\\  \\

\to \rm \: AC  = 20 m

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