Question

Can anyone pls solve this sum for me??​

Answer 1

Answer:

option no. 3,4,1,2

Step-by-step explanation:

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Answer 2

Answer:

Ans is Option (a) 8 units

Step-by-step explanation:

∠ACD=∠ACB = 60°

CD = 2, Let AC be x ,Let BC be y

cos(∠ACD)=CD/AC

cos 60° = 1/2=2/x

x=4

cos(∠ACB)=AC/CB

cos 60°=1/2=4/y

BC = 8 units

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