Expression of a variable from the formula - practice for 12 year olds - last page
Number of problems found: 691
- Rectangular cuboid
The rectangular cuboid has a surface area 5447 cm², and its dimensions are in the ratio 2:4:1. Find the volume of this rectangular cuboid. - Cone
The circular cone of height 15 cm and volume 5699 cm³ is at one-third of the height (measured from the bottom) cut by a plane parallel to the base. Calculate the radius and circumference of the circular cut. - Radius
Determine the circle's radius if its perimeter and area are the same numbers. - Right isosceles
Calculate the area of the isosceles right triangle whose perimeter is 26 cm.
- Pipe
How long is the pipe with an outside diameter of 0.87 m if his coloring consumed 10 kg of color? 1 kg of color coverage is 6 m². - Average
The arithmetic mean of the two numbers is 67.5. One number is -31. Calculate the second number. - Tree trunk
Calculate the average tree trunk with a circumference of 192 cm. - Circle
How big is an area of a circle if its circumference is 51.2 cm? - Shape
The plane shape has a maximum area 677 mm². Calculate its perimeter if the perimeter is the smallest possible.
- Cube wall
The surface of the first cube wall is 64 m². The second cube area is 40% of the surface of the first cube. Find the length of the edge of the second cube (x). - Triangles
An equilateral triangle with a side 16 cm has the same perimeter as an isosceles triangle with an arm of 23 cm. Calculate the base x of an isosceles triangle.
We apologize, but in this category are not a lot of examples.
Do you have homework that you need help solving? Ask a question, and we will try to solve it.
Do you have homework that you need help solving? Ask a question, and we will try to solve it.