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Construction of a Triangle with SSS Criterion

Find the circ...

Question

Find the circumradius of $△ A B C$ , given that $A B = 6 c m, B C = 5.4 c m, A C = 7 c m$ .

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Solution

$R = \frac{a b c}{4 Δ}$
$= \frac{6 \times 5.4 \times 7}{4 \sqrt{9.2 (9.2 - 6) (9.2 - 5.4) (9.2 - 7)}}$
$R = 3.61 c m$
$a = 5.4, b = 7, c = 6 c m$

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Construction of a Triangle with SSS Criterion

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