ljdeans05 ljdeans05

01-08-2021
Mathematics

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find the length of BC

find the length of BC class=

Respuesta :

inspirationalgdandyt inspirationalgdandyt

01-08-2021

Answer:

13.3650978628

Step-by-step explanation:

Angle A=180-(Angle B+C)=180-117=63

Here,

b=BC, p=AC & AB=12

Using the relation of cos,

cosx=b/h

cos27=BC/15

15cos27=BC

Using a calculator,

BC=13.3650978628

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