A, B & C form a triangle where ∠ BAC = 90°. AB = 6.8 mm and CA = – InterviewSolution

1.	A, B & C form a triangle where ∠ BAC = 90°. AB = 6.8 mm and CA = 4.6 mm. Find the length of BC, giving your answer rounded to 1 DP.
Answer» BC= 8.2(Approx)Step-by-step EXPLANATION:Using PYTHAGORAS THEOREM AB^2 + CA^2 = BC^2(6.8^2) + (4.6^2) = BC^246.24 + 21.16 = BC^267.4 = BC^2BC = √67.4BC = 8.2(Approx)

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