Question

In a triangle ,AB=6√3cm,BC=6cm and AC=12cm.find angle A
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Answer 1

Answer:

angle A =

${30}^{0}$

Step-by-step explanation:

This is a right angled triangle with

$b \: = {90}^{0}$

now,

$\sin(a) = \frac{6}{12} \\ \: \: \: \: \: \: \: \: \: \: \: \: = \frac{1}{2}$

ie , Sin 30 gives us the value 1/2

therefore ,

$< a = {30}^{0}$

Hope you understood the answer clearly