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Photo attached with instructions

Photo attached with instructions
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16 votes
Photo attached with instructions

Photo attached with instructions-example-1
User Kesh
by
8.2k points

1 Answer

12 votes

Explanation:

using cosine rule,

BC²= AC² + BC² - 2*AC*BC*COSc

= 13² + 6² - 2*13*6*-cos(180-91)

= 169 + 36 - (-2.72)

= 202.28

√BC² = √202.28

BC = 14.22

BC = 14.20cm to nearest tenth

User Arunprasad Rajkumar
by
8.8k points
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