mdrifraf
17.10.2019 •
Mathematics
Sine rule and area of any triangle
find area of this triangle to 1 decimal place
i got 61.1 as the answer but it's wrong apparently
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Ответ:
94.1 m²
Step-by-step explanation:
Use the sine rule to find BC
BC × sin40° = 12 × sin82° ( divide both sides by sin40° )
BC =
≈ 18.487
Area =
× 12 × 18.487 × sin58° ≈ 94.1
Ответ:
64-48 = 16
Step-by-step explanation:
64-48 = 16