Question

Prove that PTYX is a rectangle. Hence, calculate : i.) QT ii.) PT and iii.) XY

Answer 1

Answer:

(I) TQ is 5cm

USING PYTHAGORAS THEOREM,

In ∆PQT,

PQ²=PT²+QT²

(13)²=PT²+(5)²

169=PT²+25

169-25 = PT²

144 = PT²

√144 = PT

PT= 12

(ii) 12cm

(iii) 12cm

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Answer 2

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