Square root - 8th grade (13y) - math problems
Number of problems found: 156
- The square
The square root of 25 times the square root of 81 is what number?
Use law of square roots roots: ?
Calculate the square root of these numbers:
- Square roots
What is equal to the product of the square roots of 295936?
- Unknown number 4
I think number. When I divided its square root by its 1/9, I get a number 1. What number am I thinking?
- Square 2
Points D[10,-8] and B[4,5] are opposed vertices of the square ABCD. Calculate area of the square ABCD.
- Square area
Complete the table and then draw each square. Provide exact lengths. Describe any problems you have. Side Length Area Square 1 1 unit2 Square 2 2 units2 Square 3 4 units2
- Square and circles
Square with sides 83 cm is circumscribed and inscribed with circles. Determine the radiuses of both circles.
- Magnification of the square
If we increase the square side, increase the content of the 70 %. About what percentage was increased his sides?
- Square diagonal
Calculate the length of the square diagonal if the perimeter is 172 cm.
- Digits A, B, C
For the various digits A, B, C is true: the square root of the BC is equal to the A and sum B+C is equal to A. Calculate A + 2B + 3C. (BC is a two-digit number, not a product).
Points A[-9,7] and B[-4,-5] are adjacent vertices of the square ABCD. Calculate the area of the square ABCD.
- 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?
The root of the equation ? is (equal or greater or less than zero)? ?
Area of circle inscribed in a square is 14. What is the area of a circle circumscribed around a square?
How much you will pay CZK for laying tiles in a square room with a diagonal of 8 m if 1 m2 cost CZK 420?
- Tree trunk
From the tree trunk, the diameter at the narrower end is 28 cm, a beam of square cross-section is to be made. Calculate the longest side of the largest possible square cross-section.
- Cube 8
The surface of the cube is 0.54 m2. Calculate the length of the cube edge.
- Cube 6
Surface area of one wall cube is 1600 cm square. How many liters of water can fit into the cube?
- Sphere A2V
The surface of the sphere is 241 mm2. What is its volume?
Square root - math word problems. Examples for 8th grade.