Answered

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Find the length of side x.
Give your answer to 1 decimal place.
105°
15 cm
18 cm

Sagot :

The image of the triangle is missing, so i have attached it.

Answer:

x = 26.2 cm

Step-by-step explanation:

To find the value of x, we will use cosine rule;

x² = 15² + 18² - 2(15 × 18)cos105

x² = 225 + 324 - 540(-0.2558)

x² = 549 + 138.132

x² = 687.132

x ≈ 26.2 cm

View image AFOKE88
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