Question

2. Right angled triangle, ABC has hypotenuse of length 4√10 cm and the other side is 6 cm.
If the smallest angle is at B, find cot B​

Answer 1

CotB  =  √31/3

Step-by-step explanation:

ABC has hypotenuse of length 4√10 cm

the other side is 6 cm.

Third side  = √(4√10)² - 6²

=> Third side  = √160 - 36

=> Third side  = √124

=> Third side  = 2√31

smallest angle is at B

=> Side opposite to ∠B  = 6

and side AB & BC  are  4√10   & 2√31

CotB  =  2√31/6

=> CotB  =  √31/3

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Answer 2

Answer:

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