Question

∆abc ∆pqr jar lb=90° tar lq=
​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

In ΔABC and ΔPQR

AB=PQ

And BC=QR

CB And RQ extended to X and Y

∠ABX=∠PQY

∠ABC=180 −∠ABX=180 ∠PQY

∠PQR=180 −∠PQY=∠ABC

We get in both triangles

AB=PQ

BC=QR

And ∠ABC=∠PQR

Then both triangle are congruent

i.e. ΔABC=ΔPQR

therefore,∠ Q=90