Math, asked by EkanthYellanki, 1 year ago

Answer required. please. it belongs to maths section

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Answered by AryanTennyson
1
Given Q and R are the mid points of sides AB and BC of ∆ABC respectively

∴ QR||AC  [Mid-point theorem]

Given BE⊥AC

∴ BE⊥QR 

In ∆ABH and Q and P are the mid points of sides AB and AH respectively.

∴ QP||BH  [Mid-point theorem]

∴QP||BE

⇒QP⊥QR  (BE⊥QR)

⇒∠PQR = 90°

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