Problems of the area
Number of problems found: 1342
- R triangle
Calculate the right triangle area whose longer leg is 6 dm shorter than the hypotenuse and 3 dm longer than the shorter leg.
Calculate the area of the right triangle ΔABC if one leg is long 14 and its opposite angle is 59°.
Conduit has a cross section 482 mm. Maybe put it into 6 conductors with a cross section S2 $mm2?
The rectangle shaped field with dimensions 1268 m and 745 m harvested last year was 4959 q wheat. (1 q = 1 quintal = 100 kg). During the year, it was necessary to fix the pipe and therefore did kick wide 4 m parallel to the side of the field 745 m, where
If one side of the rectangle is larger 4-times and second 2-times, what percentage increases the area of rectangle?
The floor area of the room is 31 m2 and has a width of 4.3 m. How many centimeters of circumference measured the floor on the map at the scale 1:75?
The garden has two opposite parallel fences. Their distance is 33.1 m. Lengths in these two fences are 75.5 meters and 49.4 meters. Calculate the area of this garden.
In a rectangle with sides, 8 and 9 mark the diagonal. What is the probability that a randomly selected point within the rectangle is closer to the diagonal than to any side of the rectangle?
Forest has an area of 36 ha. How much area is occupied by forest on the map at scale 1:500?
One pull of wire is reduced its diameter by 14%. What will be the diameter of wire with diameter 19 mm over 10 pulls?
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.
Calculate: x = 1 m2 + 1 dm2 + 1 cm2
Calculate the surface cube with edge 11 dm.
The cable consists of 8 strands. Each strand consists of 12 wires with diameter d = 0.5 mm. Calculate the cross-section of the cable.
How much percent has changed (reduced) area of the pipe cross-section if circular shape changed to square with the same perimeter?
- Circles 2
Calculate the area bounded by the circumscribed and inscribed circle in triangle with sides 12 cm, 14 cm, 18 cm.
- Arc and segment
Calculate the length of circular arc l, area of the circular arc S1 and area of circular segment S2. Radius of the circle is 11 and corresponding angle is (2)/(12) π.
Calculate area of the square with diagonal 64 cm.
The surface of the sphere is 12100 cm2, and the weight is 136 kg. What is its density?
- 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.