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.
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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^2
46.24 + 21.16 = BC^2
67.4 = BC^2
BC = √67.4
BC = 8.2(Approx)
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