A, B & C form a triangle where ∠ BAC = 90°. AB = 11.9 mm and CA = 2.7 mm. Find the length of BC, giving your answer rounded to 1 DP.
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Answer:
BC= 12.2
Step-by-step explanation:
Given, BAC=90⁰
AB=11.9
CA=2.7
By, Pythagoras theorem
h²=p²+b²
h²=141.61+7.29
h=12.2
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