Question

step by step explained ​

Answer 1

Answer:

by using Pythagoras theorem,

=> (h)² = (p)² + (b)²

=> (PR)² = (PQ)² + (RQ)²

=> (10)² = (PQ)² + (6)²

=> 100 = (PQ)² + 36

=> (PQ)² = 100 — 36

=> (PQ)² = 64

=> PQ = √64

=> PQ = √8 x 8

=> PQ = 8

therefore,

height of ∆PQR = PQ = 8cm

Step-by-step explanation:

hope it's helpful,,

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Answer 2

step by step explanation :

$by \: pythagorus \: thorme$

$(hypoteuse)^{2} = (one side)^{2} + (other side)^{2}$

$(pr)^2 = (qr)^2 + (pq)^{2}$

$(10) ^{2} = (6)^{2} + x^{2}$

$100 = 36 + x^{2}$

$x^{2} = 100 - 36$

$x^{2} = 64$

$x = \sqrt{} 64$

$x^{2} = 8 \: cm$