exam Maths Puzzle Numerical Ability

(Nine more than the product 4 and the number is 73). I am helping my niece and I am stumped, Help.....

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exam Other Question

Geometry. Find the area of the rectangle with these sides:
One side: √3+√5
Another side: √3+√5 The area of a circle circumscribing about an equilateral triangle is 254.47 square meter.What is the area of the triangle in square meter?