Rectangle vs square
One side of the rectangle is 1 cm shorter than the side of the square, the second side is 3 cm longer than the side of the square. Square and rectangle have the same content. Calculate the length of the sides of a square and a rectangle.
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
- 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.
Calculate area of the rectangle if its length is 12 cm longer than its width and length is equal to the square of its width.
- Rectangular field
One dimension of the rectangular field is 56 m greater than second dimension. If each side of the rectangle increases by 10 m, increases the surface field is 1480 m2 . Determine dimencions of the field.
The garden has a rectangular shape and has a circumference of 130 m and area 800.25 m2. Calculate the dimensions of the garden.
- Quadratic equation
Quadratic equation ? has roots x1 = 80 and x2 = 78. Calculate the coefficients b and c.
- Square root 2
If the square root of 3m2 +22 and -x = 0, and x=7, what is m?
In the three warehouses, a total of 70 tons of grain was stored. In the second warehouse was stored 8.5t less and in the third 3.5t more than in the first. How many tons of grain was stored in each warehouse?
- Ball game
Richard, Denis and Denise together scored 932 goals. Denis scored 4 goals over Denise but Denis scored 24 goals less than Richard. Determine the number of goals for each player.
Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
- Null points
Calculate the roots of the equation: ?
Determine the discriminant of the equation: ?
- Quadratic equation
Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
- Evaluation of expressions
If a2-3a+1=0, find (i)a2+1/a2 (ii) a3+1/a3
- Cinema 4
In cinema are 1656 seats and in the last row are 105 seats , in each next row 3 seats less. How many are the total rows in cinema?
Solve two equations with two unknowns: 400x+120y=147.2 350x+200y=144
- Theorem prove
We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?