Question

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Answer 1

Answer:

21/35

Step-by-step explanation:

Given :

• A right angled triangle with sides 28 , 35 ,21 .

And we need to find the value of cos A. We know that cosine is the ratio of base and Hypotenuse. So that ,

$:\implies$ cos A = b/h

$:\implies$ cosA = 21/35

• $:\implies$ Hence the required Answer is 21/35.