pavithdhillon pavithdhillon

09-05-2022
Mathematics

contestada

A, B & C form the vertices of a triangle. ∠ CAB = 90°, ∠ ABC = 68° and AB = 8.9. Calculate the length of BC rounded to 3 SF.

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jakeduff24 jakeduff24

09-05-2022

Answer:23.8

Step-by-step explanation:

Trig

SohCah toa

cos is adj /hyp

cos(68) x Hyp =Adj

Adj cos(68)=Hyp

8.9 /cos(68)=23.758

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