The ratio of boys to girls is exactly the same in classes 701 and 702. Class 701 has 12 boys and 18 girls.
2 answers:
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Sine 40 = 5 / hypotenuse
0.64279 = 5 / hypotenuse
hypotenuse = 5 / 0.64279
<span><span>hypotenuse = 7.7786
</span>tangent (50) = opp / adj
</span><span>tangent (50) = opposite / 5
1.1918 * 5 = </span><span>opposite</span>
opposite side = 5.959
0.64279 = 5 / hypotenuse
hypotenuse = 5 / 0.64279
<span><span>hypotenuse = 7.7786
</span>tangent (50) = opp / adj
</span><span>tangent (50) = opposite / 5
1.1918 * 5 = </span><span>opposite</span>
opposite side = 5.959