Math, asked by sanjanasanju6, 4 months ago

tell answer please

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Answered by amanroxx

0

Answer:

SIN A = BC/AC

SIN 30 = 20/ x

SINCE

SIN 30 = 1/2

THEREFORE

1/2= 20/x

1/20*2=1/x

1/40=1/x

x=40

hence, x= 40cm

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