keziahadah7 keziahadah7

22-05-2021
Mathematics

contestada

A, B & C form a triangle where
∠
BAC = 90°.
AB = 12.2 mm and CA = 8.3 mm.
Find the length of BC, giving your answer rounded to 1 DP.

Respuesta :

sreedevi102 sreedevi102

22-05-2021

Answer:

[tex]Pythagoras \ theorem,\\BC^2 = AB^2 + AC^2 = 12.2^2 +8.3^2 =217.73\\\\BC =14.8mm[/tex]

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