# Area - 7th grade (12y) - math problems

#### Number of problems found: 399

- Circle area

Calculate the circle area with a radius of 1.2 m. - Perimeter to area

Calculate the area of a circle with the perimeter 15 meters. - Diameter to area

Find the area of a circle whose diameter is 26cm. - Area to perimeter

Calculate circle circumference if its area is 254.34cm2 - In the

In the national park, the ratio of the wooded area to grassland is 4: 1. The total area is 385km2. What area is wooded? - Area of ditch

How great content area will have a section of trapezoidal ditch with a width of 1.6 meters above and below 0.57 meters? The depth of the ditch is 2.08 meters. - Area of rectangle

How many times will increase the area of the rectangle, if we increase twice the length and at the same time we decrease the width by the half? - Maximum area of rhombus

Calculate the interior angles at which equilateral rhombus has a maximum area. - Area to volume

If the surface area of a cube is 486, find its volume. - Two walls

Calculate the surface area of a cube in m^{2}if you know that the area of its two walls is 72 dm^{2}. - Map

Forest has an area of 36 ha. How much area is occupied by forest on the map at scale 1:500? - Cube walls

Find the volume and the surface area of the cube if the area of one of its walls is 40 cm^{2}. - Circles

Area of circle inscribed in a square is 14. What is the area of a circle circumscribed around a square? - Volume and area

What is the volume of a cube which has area of 361 cm^{2}? - Quadrant II

Calculate the radius of the quadrant, which area is equal to area of circle with radius r = 15 cm. - Calculate

Calculate the area of a circle whose radius is 5 dm. - Curved surface area CSA

A cylinder 5cm high has a base radius(7/2) cm. Calculate the curved surface area. - Land area 2

A land area was divided among the three heirs in the ratio 5:2:4. If the largest share was 20 hectares of land, what is the total area of land? Please show your solution and what kind of proportion is this please - 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 - Hexagon area

The center of the regular hexagon is 21 cm away from its side. Calculate the hexagon side and its area.

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Area - math word problems. Examples for 7th grade (seventh).