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Fed [463]
2 years ago
7

PQR is a right angled triangle. The area of the triangle is 6cm² and |QR|= 3cm.find |PR|​

Mathematics
2 answers:
lora16 [44]2 years ago
8 0

Step-by-step explanation:

It is used by first the formula.and complete by another simple and eazy

kodGreya [7K]2 years ago
5 0

Answer:

PQ = 4cm

QR = 3cm

PR = 5cm

Area = 6cm²

Step-by-step explanation:

Area of triangle = 0.5 × Base × Height

6 = 0.5 × 3 × PQ

  • Let PQ be = x

6 = 0.5 × 3 × x

\frac{6}{0.5 \times 3}  = x

x = 4cm

PQ = 4cm

Since, it is a right angled triangle applying Pythagoras Theorem,

PR =

\sqrt{ {3}^{2} + {4}^{2}  } \\  =  \sqrt{9 + 6} \\  = 5cm

PR = 5cm

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