# pre cal

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For a given right triangle, angle B = 46±
and side c = 30 feet. What is the length of side a to the nearest foot?

• pre cal -

assuming A is the right angle,
cosB = 30/a
a = 30/cos46° = 43.19

• pre cal -

For a given right triangle, angle A = 61± and side b = 39 feet. What is the length of side c to the nearest foot?

• pre cal -

3467

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