exam Maths Puzzle Numerical Ability

Find the exact value of cot(-π/6).

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exam Other Question

An architect has designed a motel pool within a rectangular area that is fenced on three sides as shown in the figure. If she uses 60 yards of fencing to enclose an area of 352 sq The length of a rectsngle is fixed at 14cm. What widths will make the perimeter greater than 86cm? the width must be bigger than ___?
Will someone help me with this I cannot do word problems at all!!!