Question

how to slove this question​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

first we need to find QT

(25²) - (15²) = (QT)²

or, 625 - 225 = (QT)²

or, (QT) ² = 400

or, QT = √400

or, QT = 20 cm.

then,

we need to find TR

(17)² - (15)²= (TR)²

or, 289 - 225 = (TR)²

or, TR = √64

or, TR = 8 cm.

then QT + TR = QR = x

x = 20 +8 cm

= 28 cm

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