exam Maths Puzzle Numerical Ability

In right triangle ABC, m<B=90, AB=5, and AC=12 Find BC round to the nearest tenth, if necessary

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exam Other Question

(cos250*cos25) + (sin250*sin25)

a.k.a. (the cosine of 250 degrees multiplied by the cosine of 25 degrees) plus (the sine of 250 degrees multiplied by the sine of 25 degrees) The length of the first square is 3 times more than the length of the second square. The total area is 149 in2.