exam
Maths Puzzle
Numerical Ability
Please help me solve this.
Find the center and radius of the circle given by x^2+(y+4)^2=25.
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exam Other Question
The base of an isosceles triangle is 11 in. less than the length of the equal sides. If the perimeter of the triangle is 37 in., find the length of each of the sides.
which is greater: the perimeter of a square with area 100a^2b^ in^2.
or the total perimeter of 2 squaress each with area 25a^2b^2 in^2?
why?