Area - math word problems - page 155 of 157

Number of problems found: 3136

Heron backlaw
Calculate the unknown side in a triangle with sides 39 and 38 and area 438.6.
Equilateral triangle
Calculate the side of an equilateral triangle if its area is 886 mm².
Right triangle
Right triangle legs have lengths 71 dm and 919 mm. Calculate the area of this triangle.
Triangle
Calculate the triangle's heights ABC if the triangle's sides are a=26, b=81, and c=73.
Diamond
Find the side of the diamond if its area is S = 194 cm² and one diagonal u₂ = 44 cm.
Circle
How big is the area of a circle if its circumference is 51.2 cm?
The cap
A rotating cone shapes a jester hat. Calculate how much paper is needed for the cap 53 cm high when the head circumference is 45 cm.
Copper sheet
The copper plate has a length of 2.2 m, width 92 cm, and weighs 5.6 kg. What is the plate thickness if 1 m³ weighs 8732 kg?
Aquarium II
Calculate how much glass we need to build an aquarium with a rectangular shape with a base of 65 cm × 52 cm and a height of 74 cm if the waste is 2%. The aquarium doesn't have top glass.
ABS CN
Calculate the absolute value of the complex number -6+19i.
Forest nursery
In the Forest nursery plant, one borovice to 2 m². Calculate how many plants are planted in the area of 510 acres.
Black building
Jozef built building with a rectangular shape 3.9 m × 6.7 m. Calculate how much percent exceeded the limit 25 m² for a small building. A building not built by the law is called a "black building". Calculate the angle that the walls were clenching each oth
Right triangle
The legs of the right triangle are in the ratio a:b = 2:8. The hypotenuse has a length of 87 cm. Calculate the perimeter and area of the triangle.
Isosceles right triangle
Calculate the area of an isosceles right triangle whose perimeter is 810 cm.
Concrete pipe
The concrete pipe is cylindrical, with an inner diameter of 60 cm and an outer diameter of 67 cm. If it is 10 m long, calculate its surface.
Magnification of the square
If we increase the square side, increase the area of the 57 %. About what percentage was increased on its side?
Circle and angle
What is the length of the arc of a circle with radius r = 432 dm with central angle 0.53 rad?
Widescreen monitor
A wave of widescreen monitors and televisions hit computer businesses. Calculate the area of the LCD monitor with a diagonal size 27 inches at a ratio of 4:3 and then a 16:9 aspect ratio. Is buying widescreen monitors with the same diagonal more advanta
Roller
The cylinder shell has the same area as one of its bases. The cylinder height is 23 dm. What is the radius of the base of the cylinder?
Father and son
Father and son are 74 years old together. The son is 30 years younger than the father. How old is the son?

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