Question

PQR is a triangle, right-angled at P.if PQ=24cm, find QR

Answer 1

Answer:

15cm

Step-by-step explanation:

PQR is a triangle, right-angled at P.if PQ=24cm, find QR

15 cm

Answer 2

By pythagoras theorem,

• QR²=PQ²+PQ²
• QR²=(10)²+(24)²
• QR²=100+576
• QR²=676
• QR²=(26)²

Cancelling squares

[QR=26]

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