I missed a important thing in question!!

angle ∠CAD equals to ADC

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I missed a important thing in question!!

angle ∠CAD equals to ADC

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To find the difference of the angles of ∠CAD and ∠ABD, we have to follow the steps below:

a. ∠CAD

b. ∠ABD

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a.

The question says that ∠CAD is equal to ∠ADC.

So, we have to find the value of ∠ADC.

We know, ∠ADB °.

let

So, ° °

let alone the degrees, for a while.

=>

∴ is equal to

That means, the value of ∠ADC is

Therefore, the value of ∠CAD is also 60°.

∵

We know,

So,

let

also, let alone the degrees, for a while.

∴ is equal to

Therefore, the value of ∠ABD is 30°.

∵

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=

∴

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Or,