Square + expression of a variable from the formula - math problems
Number of problems found: 218
- Completing square
Solve the quadratic equation: m2=4m+20 using completing the square method
Danov's father has a square of 65.25 milligram square of wire with a diagonal. How will the square be big when one mm weighs 7 mg?
- Diagonal of square
Calculate the side of a square when its diagonal is 10 cm.
- Square root 2
If the square root of 3m2 +22 and -x = 0, and x=7, what is m?
- Square s3
Calculate the diagonal of the square, where its area is 0.49 cm square. And also calculate its circumference.
- Perimeter from area
What is the perimeter of the square if its content is 64 cm2?
- Square diagonal
Calculate the length of the square diagonal if the perimeter is 476 cm.
The square garden has an area of 537 m2. How many meters is netting necessary to fence the garden?
- Perimeter of the circle
Calculate the perimeter of the circle in dm, whose radius equals the side of the square containing 0.49 dm2?
- Solve equation
solve equation: ?
- Tripled square
If you tripled the length of the sides of the square ABCD you increases its content by 200 cm2. How long is the side of the square ABCD?
- Square diagonal
Calculate the length of diagonal of the square with side a = 23 cm.
- Square side
If we enlarge the square side a = 5m, its area will increase by 10,25%. How many percent will the side of the square increase? How many percent will it increase the circumference of the square?
- Square vs rectangle
Square and rectangle have the same area contents. The length of the rectangle is 9 greater and width 6 less than side of the square. Calculate the side of a square.
- Unknown number
Determine the unknown number, which double of its fourth square is equal the fifth its square.
- Equilateral triangle
A square is inscribed into an equilateral triangle with a side of 10 cm. Calculate the length of the square side.
Suppose the square's sides' length decreases by a 25% decrease in the content area of 28 cm2. Determine the side length of the original square.
- Square and rectangle
Calculate the side of a square which content area equals area of the rectangle having a length of 3 cm greater and by 2 cm smaller than the side of the square.
- Extending square garden
Mrs. Petrová's garden had the shape of a square with a side length of 15 m. After its enlargement by 64 m2 (square), it had the shape of a square again. How many meters has the length of each side of the garden been extended?
- Cube edge
Determine the edges of the cube when the surface is equal to 37.5 cm square.