Surface area - 7th grade (12y) - math problems
Number of problems found: 134
- The surface
The surface area of the cuboid is 1714 cm2, the edges of the base are 25 cm and 14 cm long. Find the area of the surface.
- Curved surface area CSA
A cylinder 5cm high has a base radius(7/2) cm. Calculate the curved surface area.
- Surface area
Calculate the surface area of a four-sides 2-m high prism which base is a rectangle with sides 17 cm and 1.3 dm
- Surface area 6
Find the surface area of a prism whose bases are right triangles with sides of length 3, 4, and 5 inches and a height of 8 inches. Include a sketch
- Surface and volume od cuboid
Content area of the square base of cuboid is Sp = 36 cm2 and its height 80 mm. Determine its surface area and volume.
- Area to volume
If the surface area of a cube is 486, find its volume.
- Surface area of cylinder
Determine the lateral surface of the rotary cylinder which is circumscribed cube with edge length 5 cm.
- Two walls
Calculate the surface area of a cube in m2 if you know that the area of its two walls is 72 dm2.
- Volume and surface area
Find the volume and surface of a wooden block with dimensions: a = 8 cm, b = 10 cm, c = 16 cm.
- Cube walls
Find the volume and the surface area of the cube if the area of one of its walls is 40 cm2.
- Cube 2
How many times will increase if the surface area of the cube if we triple length of its edge?
- Area of the cone
Calculate the surface area of the cone, you know the base diameter 25 cm and a height 40 cm.
The cube has an area of base 256 mm2. Calculate the edge length, volume, and area of its surface.
How many times increases the surface area of a cube with edge 23.4 cm if the length of the edge doubled?
- 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. Determine the length of the edge of the second cube (x).
Observatory dome has the shape of a hemisphere with a diameter d = 20 m. Calculate the surface.
- Cube 5
The surface of the cube is 15.36 dm2. How will change the surface area of this cube if the length of the edges is reduced by 2 cm?
- Cube 6
Surface area of one wall cube is 1600 cm square. How many liters of water can fit into the cube?
- The cube
The cube has a surface area of 486 m ^ 2. Calculate its volume.
6 m long reservoir has a diameter of 2.2 m. What is its surface area in square meters?
Examples for the calculation of the surface area of the solid object . Examples for 7th grade (seventh).