Question

in adjoining figure if AC= BD then prove that AB = CD​

Answer 1

Answer:

Step-by-step explanation:

Here it is given that ∠A=90° and AB=AC,

if AB=AC  then ∠B=∠C   (angles opposite to equal sides)

now we know that

∠A+∠B+∠C=180°                     (triangle sum property)

90°+2∠B=180°                         (∠B=∠C)

2∠B=180-90

2∠B=90

∠B=45°=∠C

So, ∠B=∠C=45°

Answer 2

Answer:

Step-by-step explanation:

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