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01-05-2021
Mathematics

contestada

Find the measurements of side bc
44.95
19.73
39.82
40.31

Find the measurements of side bc 4495 1973 3982 4031 class=

Respuesta :

06-05-2021

Answer:

Option B

Step-by-step explanation:

By applying cosine rule in the given triangle ABC,

BC² = AC² + AB² - 2(AC)(AB)cos(∠A)

BC² = (26)² + (23)² - 2(26)(23)cos(47°)

BC² = 676 + 529 - 815.67

BC² = 389.33

BC = √(389.33)

BC = 19.73

Therefore, Option B will be the correct option.

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