Solve Q4 it's urgent
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Q is a mid point of AB
R is a mid point of BC
In ∆ABC,
RQ||AC (line joining to the mid point of two sides is parallel to third side)
angle AEH+angle EHQ= 180 (co-interior angles)
angle EHQ =180-90=90
RQ||AC it means H is a mid point of AD .
In ∆ABH PQ||BH ( P and Q are the mid points).
PQ||BE,
angle PQH +angle EHQ=180
angle PQH =180-90
=90°
angle PQR =90°
hope it helps u .....
R is a mid point of BC
In ∆ABC,
RQ||AC (line joining to the mid point of two sides is parallel to third side)
angle AEH+angle EHQ= 180 (co-interior angles)
angle EHQ =180-90=90
RQ||AC it means H is a mid point of AD .
In ∆ABH PQ||BH ( P and Q are the mid points).
PQ||BE,
angle PQH +angle EHQ=180
angle PQH =180-90
=90°
angle PQR =90°
hope it helps u .....
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