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A ladder is resting against a wall, The ...

A ladder is resting against a wall, The angle between the foot of the ladder and the wall is `45^@` and the foot of the ladder is 6.6m away from the wall. The length of the ladder is:
एक सीढ़ी एक दीवार के खिलाफ खड़ी है, सीढ़ी के आधार और दीवार के बीच का कोण 45 है और सीढ़ी का आधार की दीवार से दूरी 6.6 मीटर है। सीढ़ी की लंबाई ज्ञात करे |

A

`6.6 xx sqrt2`

B

`2.2 xx sqrt2`

C

`3.6 xx sqrt2`

D

`3.3 xx sqrt2`

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