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Otrada [13]
3 years ago
14

Best estimate 27x1/7

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
8 0
27/7 or Decimal: 3.857143
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A triangle PQR is right angled at R, with PQ=80cm and R=60cm. find QR?<br> pythagorus theorem
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Answer:

Solution given:

A triangle PQR is right angled at R, with hypotenuse{h}PQ=80cm

and

base[b]PR=60cm.

perpendicular [P]= QR

<u>by</u><u> </u><u>using</u><u> </u><u>Pythagoras</u><u> </u><u>law</u>

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80²=QR²+60²

QR²=80²-60²

QR=\sqrt{2800}

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