Lorine drew the model below to represent the equation 16 + 28 = ___ ´ (4 + 7).
2 answers:
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Answer:
x ≈ 7.4
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos22° = =
Multiply both sides by 8
8 × cos22° = x, thus
x ≈ 7.4 ( to the nearest tenth )