Question

please answer the question​

Answer 1

Answer:

This is of which chapter in which class.

Step-by-step explanation:

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Answer 2

Answer:

to show O is the mid point of AB and PQ

Step-by-step explanation:

in ∆AOP and ∆BOQ

PA=QB(given)

A=B(90° each )

1=2(vertically opposite angles)(*at O)

by SAA congruency rule

∆AOP is congruent to ∆BOQ

AO=OB(cpct)

PO=OQ(cpct)

hence, O is the midpoint